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Medicine in ancient Rome was highly influenced by ancient Greek medicine, but also developed new practices through knowledge of the Hippocratic Corpus combined with use of the treatment of diet, regimen, along with surgical procedures. This was most notably seen through the works of two of the prominent Greek physicians, Dioscorides and Galen, who practiced medicine and recorded their discoveries. This is contrary to two other physicians like Soranus of Ephesus and Asclepiades of Bithynia,
who practiced medicine both in outside territories and in ancient Roman
territory, subsequently. Dioscorides was a Roman army physician,
Soranus was a representative for the Methodic school
of medicine, Galen performed public demonstrations, and Asclepiades was
a leading Roman physician. These four physicians all had knowledge of
medicine, ailments, and treatments that were healing, long lasting and
influential to human history.
Ancient Roman medicine was divided into specializations such as ophthalmology and urology. To increase their knowledge of the human body, physicians used a variety of surgical procedures for dissection that were carried out using many different instruments including forceps, scalpels and catheters.
Introduction
The Roman Empire was a complex and vigorous combination of Greek and Roman cultural elements forged through centuries of contact. Later Latin authors, notably Cato and Pliny,
believed in a specific traditional Roman type of healing based on
herbs, chants, prayers and charms easily available to and by the head of
household.
Greek medicine was introduced into Italy with the establishment
and development of military and political contacts between the two
regions. It was not until the introduction of the healing god Asclepius in 291 BC and the arrival of the Greek doctor Archagathus in 219 BC that foreign medicine was publicly accepted in Rome, mainly due to future overall adaptation to the Roman practices.
Setting aside some of the broader implications of the Greek influence on Roman society, the effect of ancient Greek medicine,
ethnography, and meteorology was particularly pertinent to two fields:
architecture and health care. This was particularly important from the
perspective of the Roman army, in which there were many medical advances. A medical corpus was established, permanent physicians were appointed, the valetudinaria
(military hospitals) were established, and in Caesar's time, the first
traces of systematic care for the wounded appeared. The variety and
nature of the surgical instruments discovered in Roman remains indicate a
good knowledge of surgery.
Roman medicine
Roman
medicine was highly influenced by the Greek medical tradition. Prior to
the introduction of Greek medicine Roman medicine was a combination of
religion and magic. The first Roman physicians were religious figures
with no medical training or the head of the family.
The first professional physicians were Greek physicians. Asclepiades
of Bithynia arrived in 124 BC. He was a popular physician known for his
kindness to his patients often prescribing wine, rest and a swinging
couch. The incorporation of Greek medicine into Roman society allowed Rome to transform into a monumental city by 100 BC.
Like Greek physicians, Roman physicians relied on naturalistic
observations rather than on spiritual rituals; but that does not imply
an absence of spiritual belief. Tragic famines and plagues were often
attributed to divine punishment; and appeasement of the gods through
rituals was believed to alleviate such events. Miasma
was perceived to be the root cause of many diseases, whether caused by
famine, wars, or plague. The concept of contagion was formulated,
resulting in practices of quarantine and improved sanitation.
The Romans established systems of public hygiene indicating there was
an understanding that this was of importance to public health. This can
be seen in their practices of burying the dead outside the city walls,
their large supplies of water available through aqueducts, public
bathing areas and public sewage systems. They also began draining swamps
in close proximity to cities.
One of the first prominent doctors in Rome was Galen. He became an expert on the human anatomy by dissecting animals, including monkeys, in Greece. Due to his prominence and expertise in ancient Rome, Galen became Emperor Marcus Aurelius' personal physician.
In 46 BC, Julius Caesar granted Roman citizenship to physicians when the Roman army had a need for trained surgeons. The Romans conquered the city of Alexandria in 30 BC, which was an important center for learning; its Great Library held countless volumes of ancient Greek medical information. The Romans adopted into their medical practices many of the practices and procedures they found in the Great Library. Augustus gave immunity to physicians from paying taxes and public duties in 10 AD.
These incentives to physicians caused physicians to flood to Rome not
all were educated physicians some were practicing without the proper
education or training. Many of the those making false claims were
claiming to be specialist. These incentives were eventually only
offered to a certain number of physicians per region that worked for the
public.
Greek symbols and gods greatly influenced ancient Roman medicine. The caduceus was originally associated with Hermes, the Greek god of commerce. He carried a staff wrapped with two snakes, known as the caduceus. This symbol later became associated with the Roman god Mercury. Later, in the 7th century, the caduceus became associated with health and medicine due to its association with the Azoth, the alchemical "universal solvent".
Opposition to Greek medicine in Rome / Pre-Physicians
Cato the Elder
despised every aspect of Greek society the Romans decided to mimic
including sculptures, literature and medicine. He regarded the welcome
given in Rome to Greek medicine and physicians as a major threat.
In Rome, before there were doctors, the paterfamilias (head of
the family) was responsible for treating the sick. Cato the Elder
himself examined those who lived near him, often prescribing cabbage as a
treatment for many ailments ranging from constipation to deafness. He
would issue precise instructions on how to prepare the cabbage for
patients with specific ailments. He also used cabbage in liquid form.
For example, a mixture of cabbage, water, and wine would be embedded in a
deaf man's ear to allow his hearing to be restored. Cato would treat
fractured or broken appendages with two ends of a cut reed that were
bandaged around the injury.
Contributors
Many Greek doctors came to Rome. Many of them strongly believed in achieving the right balance of the four humors
and restoring the natural heat of patients. Around 200 BC many wealthy
families in Rome had personal Greek physicians. By around 50 BC, it was
more common than not to have a Greek physician.
Physicians were also more inclined to study anthropology, biology and
physiology because of the great impact that philosophy had on them. The
popular belief was that philosophy created interest in medicine as
opposed to medicine creating an interest in philosophy.
Dioscorides
Pedanius Dioscorides (c. 40–90 AD), was a Greek botanist,
pharmacologist and physician who practiced in Rome during the reign of Nero. Dioscorides studied botany and pharmacology in Tarsus.
He became a well-known army surgeon. While traveling with the army,
Dioscorides was able to experiment with the medical properties of many
plants.
Compared to his predecessors, his work was considered the largest and
most thorough in regards to naming and writing about medicines, many of
Dioscorides predecessors work was lost. Dioscorides wrote a 5-volume
encyclopedia, De materia medica, which listed over 600 herbal cures, forming an influential and long-lasting pharmacopoeia. De materia medica was used extensively by doctors for the following 1500 years.
Within his five books, Dioscorides mentions approximately 1,000 simple
drugs. Also . . . contained in his books, Dioscorides refers to opium
and mandragora as a sleeping potion that can be used as a natural
surgical anesthetic.
Galen
A group of physicians in an image from the
Vienna Dioscurides; Galen is depicted top center.
Galen of Pergamon (129 – c. AD 216) was a prominent Greek physician, whose theories dominated Western medical science for well over a millennium. By the age of 20, he had served for four years in the local temple as a therapeutes ("attendant" or "associate") of Asclepius. Although Galen studied the human body, dissection of human corpses was against Roman law,
so instead he used pigs, apes, sheep, goats, and other animals. Through
studying animal dissections, Galen applied his animal anatomy findings
and developed a theory of human anatomy.
Galen moved to Rome in 162. There he lectured, wrote extensively, and performed public demonstrations of his anatomical
knowledge. He soon gained a reputation as an experienced physician,
attracting to his practice a large number of patients. Among them was
the consul Flavius Boethius, who introduced him to the imperial court, where he became a physician to Emperor Marcus Aurelius. Despite being a member of the court, Galen reputedly shunned Latin, preferring to speak and write in his native Greek. He treated Roman emperors Lucius Verus, Commodus, and Septimius Severus. In 166, Galen returned to Pergamon, but went back to Rome for good in 169.
Galen followed Hippocrates' theory of the four humours,
believing that one's health depended on the balance between the four
main fluids of the body (blood, yellow bile, black bile, and phlegm).
Food was believed to be the initial object that allowed the
stabilization of these humours. By contrast, drugs, venesection, cautery and surgery were drastic and were to be used only when diet and regimen could no longer help.
The survival and amendment of Hippocratic medicine is attributed to
Galen, who coupled the four qualities of cold, heat, dry, and wet with
the four main fluids of the body, would remain in health care for
another millennia or so.
Galen wrote a short essay called "The Best Doctor Is Also A
Philosopher", where he writes that a physician needs to be knowledgeable
about not just the physical, but additionally logical and ethical
philosophy.
He writes that a physician "must be skilled at reasoning about the
problems presented to him, must understand the nature and function of
the body within the physician world, and must practice temperance and
despise all money".
The ideal physician treats both the poor and elite fairly and is a
student of all that affects health. Galen thought that eleven years of
study was an adequate amount of time to make a competent physician. He
references Hippocrates throughout his writings, saying that Hippocratic
literature is the basis for physicians' conduct and treatments. The
writings of Galen survived longer than the writings of any other medical
researchers of antiquity. Galen also wrote an astrological doctrine, De diebus decretorus (Critical Days Book III), in which he describes the importance of astrology in prognosis and diagnosis.
Asclepiades
Asclepiades studied to be a physician in Alexandria and practiced
medicine in Asia Minor as well as Greece before he moved to Rome in the
1st century BC. His knowledge of medicine allowed him to flourish as a
physician. Asclepiades was a leading physician in Rome and was a close
friend of Cicero.
He developed his own version of the molecular structure of the
human body. Asclepiades' atomic model contained multi-shaped atoms that
passed through bodily pores.
These atoms were either round, square, triangular. Asclepiades noted
that as long as the atoms were flowing freely and continuously, then the
health of the human was maintained.
He believed that if the atoms were too large or the pores were too
constricted, then illness would present in multiple symptoms such as
fever, spasms, or in more severe cases paralysis.
Asclepiades strongly believed in hot and cold baths as a remedy
for illness; his techniques purposely did not inflict severe pain upon
the patient. Asclepiades used techniques with the intent to cause the
least amount of discomfort while continuing to cure the patient. His other remedies included music therapy
to induce sedation, and consuming wine to cure headache and a fever.
Asclepiades is the first documented physician in Rome to use massage
therapy.
Aulus Cornelius Celsus
Celsus (25 BC–AD 50) was a Roman encyclopaedist who wrote a general
encyclopaedia about many subjects. His exact place of birth as well as
when he lived are unknown; however, it is known he lived during the
reigns of Augustus and Tiberius. The only surviving work from his larger encyclopaedia is De Medicina. This work contains eight volumes, two of which are on surgery. De Medicina
provides some of the best accounts of Roman medicine during his time.
Its contents proved to be valuable even into the 15th century after Pope
Nicolas V rediscovered it, becoming the first medical book to be
published in 1478. It is still debated if he practiced medicine himself
or just compiled the works of the time, much of it from Greek sources.
This is important because at the time Greeks were looked down upon by
the Romans and thus so was the work of doctors.
In his book he discussed the two different schools of thought at
the time relating to medicine he calls "Empirics" and "Dogmatics". Empirics followed empirical observation while Dogmatics needed to understand the theory behind how a treatment works.
Celsus is also credited with writing on four of the five
characteristics of inflammation, redness (rubor), swelling (tumour),
heat (calor), and pain (dolor). Galen would write about the fifth, loss
of function (functio laesa).
Soranus
Soranus was a Greek physician born in Ephesus, who lived during the reigns of Trajan and Hadrian (98–138 AD). According to the Suda, he trained at the Alexandria School of Medicine and practiced in Rome. Soranus was a part of the Methodic school of Asclepiades, which fostered the ideals of the Hippocratic doctrine.
He was the chief representative of the Methodic school of physicians.
Soranus's most notable work was his book gynaecology, in which he
discussed many topics that are considered modern ideas such as birth
control, pregnancy, midwife's duties, and post-childbirth care. His treatise Gynaecology is extant (first published in 1838, later by V. Rose, in 1882, with a 6th-century Latin translation by Muscio,
a physician of the same school). He accounts for the internal
difficulties that could arise during labor from both the mother and the
fetus. He also did work with fractures, surgery, and embryology.
Hospitals
Plan of valetudinarium, near Düsseldorf, Germany. Late 1st century
The Roman medical system saw the establishment of the first
hospitals; these were reserved for slaves and soldiers. Physicians were
assigned to follow armies or ships, tending to the injured. In Rome,
death was caused by a combination of poor sanitation, famine, disease,
epidemics, malnutrition, and warfare that led to high Roman mortality
rates.
The development of health services was prolonged by the unsympathetic
attitudes of the Romans towards the sick, superstition, and religious
beliefs.
Ancient Roman hospitals were established by the 1st century BC as military hospitals known as valetudinaria. The valetudinaria began as a small cluster of tents and fortresses dedicated to wounded soldiers. The original hospitals were built along major roads, and soon became part of Roman fort architecture. They were usually placed near the outer wall in a quiet part of the fortification. The earliest known Roman hospitals of the Roman Empire were built in the 1st and 2nd centuries AD, in the reign of the emperor Trajan. The Roman military established these hospitals, as the army's expansion beyond the Italian Peninsula meant that the wounded could no longer be cared for in private homes. Over time, the temporary forts developed into permanent facilities. It is possible that some valteduinaria were established at earlier parts of history. They may also have been established by Julius Caesar. Other hospitals were possibly built during the reign of Augustus or Claudius.
Valetudinaria were field hospitals or flying military camps primarily used to treat soldiers in the military.
Access to these hospitals was likely an important perk of military
service. The care these institutions provided was likely highly
professional for the time, and they were capable of holding up to 200
patients. Celsus describes these hospitals as large and staffed by "over-worked doctors". These over-worked doctors were known as the medici. Alongside the medici, there was a group of veterinarians, administrators, and wound dressers, known as veteranarii, optio valetudinarii, and capsarii respectively. Other hospitals were designed to care for slaves. Slave valetudinaria
were of lower quality then the military hospitals, with less equipment
and poorer doctors. Roman writers compared these institutions to
veterinary care, and equated the treatment these hospitals gave to barbarity.
A standard valetudinarium was a rectangular building consisting of four wings, connected by an entrance hall that could be used as a triage center.
Each legion's hospital was constructed to accommodate 6% to 10% of the
legion's 5,000 men. The building also included a large hall, reception
ward, dispensary, kitchen, staff quarters, and washing and latrine
facilities. All of these hospitals were the exact same shape and layout,
and one was located in every castra.
Doctors could also set up public clinics in tabernae. Tabernae were another way of getting medical attention in ancient Rome. These facilities very expensive, and there was no inpatient care. This method was rare, it was far more common for the physician to arrive at the patient's house. People who could not afford a doctor or go to a valetudinaria would pray at a temple of Asclepius, the Roman god of medicine, for healing.
Surgery
Roman surgical instruments found at Pompeii
Surgery
was typically used as a last resort because of the risks involved. When
surgery did happen though, it was usually limited to the surface of the
body because doctors recognized that injuries regarding the body's most
important physiological functions (brain, heart, spine, etc.) could not
usually be treated. There were a variety of surgical tools in ancient Rome.
For example, bone levers were tools used to remove diseased bone tissue
from the skull and to remove foreign objects (such as a weapon) from a
bone. The ancient Romans were capable of performing techniques like cataract surgery and caesarean sections. They also could perform more outdated procedures such as bloodletting. Ancient Roman surgery was developed in the 2nd century from Greek techniques by doctors such as Galen.
Medicines
Diet
Correct diet
was seen as essential to healthy living. Food was perceived to have a
healing effect or a causative effect on disease, determined by its
impact on the humors; as well as preventing disease. Some of these foods
included rice, chic peas, and olives, which were widely used by the
Roman military. At an archaeological site, other plants were found that
were used for medicinal purposes such as lentils, garden peas, and figs.
A variety of meats were also discovered at the site which were believed
to be used for sick individuals. Poultry, eggs, and oysters were used
as a diet for those with health issues.
Moderation of foods was key to healthy living and gave rise to healthy
eating philosophies. When diet no longer promoted health, drugs, phlebotomy, cautery,
or surgery were used. Patients having control of their lives, managing
their own preventative medical diets, and the freedom to seek
physicians, indicates that patient autonomy was valued.
Herbal and other medicines
Roman
physicians used a wide range of herbal and other medicines. Their
ancient names, often derived from Greek, do not necessarily correspond
to individual modern species, even if these have the same names. Known
medicines include:
Roman medicines, according to Dioscorides
Probable substance |
Latin/Greek name |
Indication and Effects |
Fennel
|
Ippomarathron
|
Cures painful urination; expels menstrual flow; stops bowel discharge; brings out breast milk; breaks kidney and urinary stones
|
Rhubarb |
Ra |
For flatulence, convulsions, internal disorders (stomach, spleen,
liver, kidneys, womb, peritoneum), sciatica, asthma, rickets, dysentery,
etc. |
Gentian |
Gentiane |
Warming, astringent; for poisonous bites, liver disorders; induces abortion; treats deep ulcers, eye inflammation |
Birthwort |
Aristolochia |
Poisonous; assists in childbirth |
Liquorice |
Glukoriza |
Calms stomach; chest, liver, kidney and bladder disorders |
Aloe |
Aloe |
Heals wounds (applied dry); removes boils; purgative; treats alopecia |
Statues and healing shrines were sites of prayer and sacrifice for
both the poor and the elite, and were common throughout the Roman
Empire. Reverence for shrines and statues reflected a search for
healing, guidance, and alternatives to ineffectual human physicians and
drugs.
In 2013, Italian scientists studied the content of a Roman shipping vessel, known as the Relitto del Pozzino, sank off the coast of Populonia, Tuscany around 120 BC, which was excavated during the 1980s and 90s. The vessel had a medicine chest with pyxides
inside, which contained medicinal tablets or pills full of a number of
zinc compounds, as well as iron oxide, starch, beeswax, pine resin and
other plant-derived materials, all probably served as some sort of eye
medicine or eyewash.
Treatments
Healing sanctuaries
A
physician's overall goal was to help those afflicted by disease or
injury as best as they could; the physician's credibility rested on
their successful cures. Of course they could not reliably cure ailments;
sometimes the best they could hope for was that their treatments did
not worsen their patients' problems. Many physicians were criticised by
their peers for their inability to cure an apparently simple illness.
Gaps in physician-provided care were filled with several types of
supernatural healthcare; the Romans believed in the power of divine
messages and healing. There have been descriptions of many gods from multiple religions that dealt with destruction or healing. For example, in 431 BC, in response to the plague running rampant all over the country of Italy, the temple of the Apollo Medicus was accredited with an influence of healing.
Altar in the temple of Aesculapius, Pompeii, Italy
Scattered across Greco-Roman and Egyptian history are descriptions of
healing sanctuaries dedicated to the various healing gods. Sick or
injured Romans would often flock to Asclepieia, temples dedicated to Asclepius,
the god of healing, as it was believed that the god actually inhabited
the sanctuary and would provide divine healing to supplicants. The
process itself was simple: the sick person would give a specified
donation to the temple, and then undergo a process called "incubation"
in which they would relocate to a special room where the god would be
able to contact them, often through dreams in which the god would either
prescribe care or provide it themselves. Often the type of cure
prescribed would be rather similar to the actual medical practices of
physicians of the time. This type of supernatural care did not conflict
with mainstream healthcare. Physicians would often recommend that
patients go to a healing sanctuary when they were afflicted by an
illness that the physician could not cure. This allowed the reputation
of the physician to remain unharmed, as it was seen more as a referral
than as a failure.
Stab wounds
Roman
physicians tried their best to help treat battlefield wounds. Celsus
describes treatments early Roman doctors used for battlefield abdominal
wounds. Celsus describes that doctors should first observe the color of
the intestines to see that if they are “...livid or pallid or black…” in
which case treatment is impossible.
If the large intestine is found to be cut he says treatment is unlikely
to be successful but suggests suturing the intestine. Treatment of
abdominal wounds should occur quickly and for fear exposed intestines
would dry out. Celsus suggests adding water to the intestines to prevent
this. The Romans also knew about the delicate care needed for such
complex wounds. Assistants with surgical hooks were used to stitch up
large abdominal wounds. They were used to help separate the margins of
the abdomen because both the inner membrane and the surface skin needed
to be sutured with two sets of stitches because it could be broken
easily. The Romans applied a variety of ointments and dressings to these
wounds. Celsus describes 34 different ones.
Colostrum
Colostrum
is the first form of milk produced by lactating mammals. Both Greek and
Roman medical texts prescribe the use of a variety of substances, of
varying medical and religious significance. Several substances, such as sulfur, asphalt
and animal excrement, were associated with the practice of human
purification. The practice of using a woman's breast milk as a medicine
has very early roots in Egyptian medical texts. In several such texts
there are references to the use of the milk of a woman who has given
birth to a male child. This practice is said to be based on depictions
in several statues of the goddess Isis breastfeeding her son, the god Horus.
Both Egyptian and Greek texts state that the milk used for medicinal
purposes should be strictly from a woman who has borne a male child. The
treatments using breast milk differed vastly between Greek and Roman
culture. In Greek medicine, milk was very rarely actually consumed.
Instead, it was used in recipes for ointments and washes that would
treat burns and other skin-related maladies. These treatments were
exclusively given to women, as women's bodies were viewed as "polluted"
in some sense. In stark contrast, the Roman use of colostrum was more
widespread and varied. Stories suggest that adults drinking breast milk
was viewed as socially acceptable, but was not common unless used for
treatment.
The milk was instead ingested by the patient, and the treatment was
given to both men and women, which then allowed the views of the female
body to be viewed as analogous compared to their male peers, rather than
as the opposites they have been for centuries before. In general, while
not every single fear about the changing medical views of female
physiology went away, the Romans then seemed less concerned about the
so-called "pollution" of a woman's body and therefore need to have the
women have special requirements needed for "purification."
It has been shown in modern times that having patients ingest mother's milk (or colostrum)
is actually a rather effective treatment due to the benefits associated
with it. For example, the use of colostrum has been shown to prevent
the growth of Staphylococcus bacteria, which are a known cause of several types of infection.
Colostrum is about half as effective as some antibiotics prescribed to
patients today. Colostrum is also effective against the bacterium chlamydia.
Chlamydia is a sexually transmitted disease in which some subtypes of
it can cause trachoma, which is a major source of cause for severe sight
impairment, if not blindness. Colostrum was a reasonably effective
treatment for Chlamydia in the absence of other antibiotics.
Diagnostic methods
Dreams
Dream interpretation
was another avenue for treatment of illnesses by physicians. Often the
interpretations of a patient's dreams would actually determine what
treatment they received. A Hippocratic work titled Regimen in Acute Diseases details much of the principles outlined by Galen:
specifically the humors and examples of how they could be used to
prescribe treatment. The theme of this method is knowing the patient. To
know how to treat a person, the physician must become familiar with and
interpret the important aspects of their lives: the climate, their food
intake, how much they sleep, how much they drink, any injuries. They
would then draw conclusions about the patient and what must be done to
set them back to equilibrium. The fourth book of the Regimen is
the earliest mention of the topic of dream medicine. Dreams were used by
physicians in diagnosis. They added another layer of depth to the
physician's investigation of the patient. The soul was thought to serve
the purpose that the brain has been discovered to serve. Sensation,
pain, motion and other physiological concepts were thought to be the
work of the soul. It was also thought that the soul continues the work
of bodily upkeep even when a person is sleeping. Thus, dreams would show
what ailed a person.
There were two types of dreams associated with medicine: prophetic and diagnostic. Prophetic dreams
were divine in origin and foretold good or bad tidings for the future.
Diagnostic dreams were a result of the soul telling what afflicted the
body. If the dreams were of normal everyday events, their body was
healthy and in equilibrium. The farther from the norm, and the more
chaotic the dreams were, the more ill the patient was. The treatments
that were recommended addressed what the dreams showed, and attempted to
set the body right through consumption of food that carried the correct
humor characteristics.
Astro-medicine
Galen
wrote a treatise on diagnosis and prognosis by celestial movement.
This ancient medical practice associated that disease and parts of the
body were affected by the movement or location of the sun, moon and
planets. This is similar to horoscopic astrology and the notion of astrological signs. These celestial signs were only a part of the process in his work Critical Days.
Galen also includes that the patients' feces, urine, sputum should be
examined for diagnosis. He states that examination of the excrement
could indicate a disease of the respirator system, urinary tract or
vascular system.
Many physicians at the time believed in the association of astrology
and medicine. Book III of Galen's writing he correlates the lunar phases
which cause changes in the tides to also cause changes the fluid humors
in the body. He also makes reference to "medical months", which are
based on the two periods of the moons which are about two calendar
months. There were also days that were considered critical including day
seven, fourteen and day twenty which were considered favorable for a
medical crisis to occur.
Textual transmission
Galenic medical texts embody the written medical tradition of
classical antiquity. Little written word has survived from before that
era. The volume of Galen's extant written works, however, is nearly 350 –
far surpassing any other writer of the period.
Prior to Galen, much of medical knowledge survived through word of
mouth. The tradition of transmission and translation originated with the
De materia medica, an encyclopaedia written by Pedanius Dioscorides
between 50 and 70 AD. Dioscorides was a Roman physician of Greek
descent. The manuscripts classified and illustrated over 1000 substances
and their uses.
De materia medica influenced medical knowledge for
centuries, due to its dissemination and translation into Greek, Arabic,
and Latin. Galen wrote in Greek, but Arabic and Syriac translations
survived as well. He referenced and challenged written works by Hippocratic physicians and authors, which gave insight into other popular medical philosophies. Herophilus, known for his texts on anatomy through dissection, and Erasistratus, also known for anatomy and physiology, survive through Galenic reference. Galen also referenced the written works of Soranus, a physician of the Methodic school known for his four-book treatise on gynecology.
His synthesis of earlier medical philosophies and broad range of
subjects produced the textual legacy that Galen left for the medical
community for the next 1500 years.