Definition of Epiphysis

1. Noun. The end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fused.

Generic synonyms: Long Bone, Os Longum
Derivative terms: Epiphyseal, Epiphysial

2. Noun. A small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin.

Definition of Epiphysis

1. n. The end, or other superficial part, of a bone, which ossifies separately from the central portion, or diaphysis.

Definition of Epiphysis

1. Noun. (anatomy) The pineal gland. ¹

2. Noun. (skeleton) The rounded end of any long bone. ¹

¹ Source:

Definition of Epiphysis

1. [n -PHYSES]

Medical Definition of Epiphysis

1. A part of a long bone where growth bone growth occurs from. (27 Sep 1997)

Epiphysis Pictures

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Lexicographical Neighbors of Epiphysis

epiphyseal fracture
epiphysial arrest
epiphysial aseptic necrosis
epiphysial cartilage
epiphysial eye
epiphysial line
epiphysial plate
epiphysis (current term)
epiphysis cerebri
epiphytic plant

Literary usage of Epiphysis

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1916)
"Posterior Dislocation of the Lower Humeral epiphysis as a Pelvic Injury.—TRUESDELL (Am. Jour. Obst., June, 191(i) contributes a paper upon this subject well ..."

2. The Practitioner by Gale Group, ProQuest Information and Learning Company (1896)
"Complete separation of the epiphysis had occurred, and the necrosed extremity ... The treatment consisted in removing the separated epiphysis and the lower ..."

3. The Treatment of fractures: With Notes Upon a Few Common Dislocations by Charles Locke Scudder (1915)
"The lower epiphysis of the femur is the largest of the epiphyses. ... The epiphysis includes the whole of the articular surface of the lower end of the ..."

4. Report of the Annual Meeting (1904)
"On the Origin of the epiphysis in Amphibia as a Bilateral Structure. By JOHN CAMERON, MB In very early embryos of Amphibia (Rana, Bufo, Triton), ..."

5. The Retrospect of Practical Medicine and Surgery: Being a Half-yearly edited by William Braithwaite, James Braithwaite, Edmond Fauriel Trevelyan (1850)
"that he has included separation of the lower epiphysis of the humérus among the supra-condyloid fractures of that bone. Disjunction of the lower epiphysis ..."

6. A Practical treatise on fractures and dislocations by Lewis Atterbury Stimson (1899)
"G. Separation of the epiphysis. To the account of the development of the epiphysis previously given (p. 233) must be added that the views of others differ ..."

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