Anatomy
epiphysis Audio
e·piph·y·sis [ ih-pif-uh-sis ]
Subclass of:
Bone and Bones
Etymology:
Greek epi = upon + physis = growth
A term found in English as early as 1634; used of the end parts of a long bone, at first separate, but later united to the shaft at the epiphyseal junction.
Definitions related to epiphysis of bone:
  • (epiphysis) The end of long bones that lies adjacent to the metaphysis.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • (epiphysis) Head of a long bone that is separated from the shaft by the epiphyseal plate until bone growth stops; at that time, the plate disappears and the head and shaft are united.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (epiphysis) Subdivision of long bone which forms its expanded proximal or distal articular end; together with other the subdivisions of long bone, it constitutes the long bone. Examples: proximal epiphysis of humerus, distal epiphysis of femur.
    Foundational Model of Anatomy
    University of Washington, 2017
  • (epiphyses) The head of a long bone that is separated from the shaft by the epiphyseal plate until bone growth stops. At that time, the plate disappears and the head and shaft are united.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (long bone epiphysis) The rounded proximal and distal ends of a long bone, which contains mostly spongy bone and develops from secondary ossification centers.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (epiphysis of the bone) The round end of the long bones.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Epiphysis, expanded end of the long bones in animals, which ossifies separately from the bone shaft but becomes fixed to the shaft when full growth is attained. The epiphysis is made of spongy cancellous bone covered by a thin layer of compact bone. It is connected to the bone shaft by the...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.