Xenocrates of Aphrodisias
Encyclopedia
Xenocrates a Greek physician of Aphrodisias
Aphrodisias
Aphrodisias was a small city in Caria, on the southwest coast of Asia Minor. Its site is located near the modern village of Geyre, Turkey, about 230 km from İzmir....

 in Cilicia
Cilicia
In antiquity, Cilicia was the south coastal region of Asia Minor, south of the central Anatolian plateau. It existed as a political entity from Hittite times into the Byzantine empire...

, who must have lived about the middle of the 1st century, as he was probably a contemporary of Andromachus the Younger
Andromachus (physician)
Andromachus was the name of two Greek physicians, father and son, who lived in the time of Nero.*Andromachus the Elder, was born in Crete, and was physician to Nero, 54-68 AD...

. Galen
Galen
Aelius Galenus or Claudius Galenus , better known as Galen of Pergamon , was a prominent Roman physician, surgeon and philosopher...

 says that he lived in the second generation before himself. He wrote some pharmaceutical works, and is blamed by Galen for making use of disgusting remedies, for instance, human brain
Brain
The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to primary sensory apparatus such as vision, hearing,...

s, flesh
Flesh
In vertebrate animals, flesh is the colloquial for biological tissue which consists of skeletal muscles and fat as opposed to bones, viscera and integuments. Flesh may be used as food, in which case it is called meat....

, liver
Liver
The liver is a vital organ present in vertebrates and some other animals. It has a wide range of functions, including detoxification, protein synthesis, and production of biochemicals necessary for digestion...

, urine
Urine
Urine is a typically sterile liquid by-product of the body that is secreted by the kidneys through a process called urination and excreted through the urethra. Cellular metabolism generates numerous by-products, many rich in nitrogen, that require elimination from the bloodstream...

, excrement, etc. One of his works was entitled On Useful Things from Living Beings . He is several times quoted by Galen, and also by Clement of Alexandria
Clement of Alexandria
Titus Flavius Clemens , known as Clement of Alexandria , was a Christian theologian and the head of the noted Catechetical School of Alexandria. Clement is best remembered as the teacher of Origen...

; Artemidorus
Artemidorus
Artemidorus Daldianus or Ephesius was a professional diviner who lived in the 2nd century. He is known from an extant five-volume Greek work the Oneirocritica, .-Life and work:...

; Pliny
Pliny the Elder
Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

; Oribasius
Oribasius
Oribasius or Oreibasius was a Greek medical writer and the personal physician of the Roman emperor Julian the Apostate. He studied at Alexandria under physician Zeno of Cyprus before joining Julian's retinue. He was involved in Julian's coronation in 361, and remained with the emperor until...

; Aëtius
Aëtius Amidenus
Aëtius of Amida was a Byzantine physician and medical writer, particularly distinguished by the extent of his erudition. Historians are not agreed about his exact date...

; and Alexander of Tralles
Alexander of Tralles
Alexander of Tralles in Lydia was one of the most eminent of the ancient physicians. His date may safely be put in the 6th century, for he mentions Aëtius Amidenus, who probably did not write until the end of the 5th or the beginning of the 6th century, and he is himself quoted by Paul of...

. Besides some short fragments of his writings there is extant a synopsis of a work on marine creatures, preserved by Oribasius
Oribasius
Oribasius or Oreibasius was a Greek medical writer and the personal physician of the Roman emperor Julian the Apostate. He studied at Alexandria under physician Zeno of Cyprus before joining Julian's retinue. He was involved in Julian's coronation in 361, and remained with the emperor until...

.
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