Euryphon
Encyclopedia
Euryphon, a celebrated Greek physician  of Cnidos in Caria
Caria
Caria was a region of western Anatolia extending along the coast from mid-Ionia south to Lycia and east to Phrygia. The Ionian and Dorian Greeks colonized the west of it and joined the Carian population in forming Greek-dominated states there...

, who was probably born in the former half of the 5th century BC, as Soranus says that he was a contemporary of Hippocrates
Hippocrates
Hippocrates of Cos or Hippokrates of Kos was an ancient Greek physician of the Age of Pericles , and is considered one of the most outstanding figures in the history of medicine...

, but older. Soranus also says that he and Hippocrates were summoned to the court of Perdiccas II of Macedon
Perdiccas II of Macedon
Perdiccas II was a king of Macedonia from about 454 BC to about 413 BC. He was the son of Alexander I and had two brothers.-Background:After the death of Alexander in 452, Macedon began to fall apart. Macedonian tribes became almost completely autonomous, and were only loosely allied to the king...

; but this story is considered very doubtful, if not altogether apocryphal. He is mentioned in a corrupt fragment of the comic poet Plato
Plato (comic poet)
Plato was an Athenian comic poet and contemporary of Aristophanes. None of his plays survive intact, but the titles of thirty of them are known, including a Hyperbolus , Victories , Cleophon , and Phaon . The titles suggest that his themes were often political...

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

. He is several times quoted by Galen, who says that he was considered to be the author of the ancient medical work entitled Κνίδιαι γνῶμσι, and also that some people attributed to him several works included in the Hippocratic corpus
Hippocratic Corpus
The Hippocratic Corpus , or Hippocratic Collection, is a collection of around 60 early Ancient Greek medical works strongly associated with the physician Hippocrates and his teachings...

.

From a passage in Caelius Aurelianus
Caelius Aurelianus
Caelius Aurelianus of Sicca in Numidia was a Roman physician and writer on medical topics. He is best known for his translation from Greek to Latin of a work by Soranus of Ephesus, On Acute and Chronic Diseases. He probably flourished in the 5th century, although some place him two or even three...

 it appears that Euryphron was aware of the difference between the arteries and the veins, and also considered that the former vessels contained blood
Blood
Blood is a specialized bodily fluid in animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells....

. Of his works nothing is now extant except a few fragments, unless he is the author of the treatises in the Hippocratic collection that have been attributed to him.
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