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epiphysis
e·piph·y·sis E0180900 (ĭ-pĭf′ĭ-sĭs)n. pl. e·piph·y·ses (-sēz′) 1. The end of a long bone that is originally separated from the main bone by a layer of cartilage but later becomes united to the main bone through ossification.2. See pineal gland.
[Greek epiphusis, an excrescence : epi-, epi- + phusis, growth; see bheuə- in Indo-European roots.]
ep′i·phys′i·al (ĕp′ə-fĭz′ē-əl), ep′i·phys′e·al adj.epiphysis (ɪˈpɪfɪsɪs) n, pl -ses (-ˌsiːz) 1. (Anatomy) the end of a long bone, initially separated from the shaft (diaphysis) by a section of cartilage that eventually ossifies so that the two portions fuse together2. (Anatomy) Also called: epiphysis cerebri the technical name for pineal gland[C17: via New Latin from Greek: a growth upon, from epi- + phusis growth, from phuein to bring forth, produce] epiphyseal, epiphysial adje•piph•y•sis (ɪˈpɪf ə sɪs)
n., pl. -ses (-ˌsiz) 1. either of the ends of a long bone separated from the shaft by cartilage but later ossifying with it. 2. pineal gland. [1625–35; < New Latin < Greek epíphysis a growth upon <epi- epi- + phýsis growth (phy(ein) to make grow, bring forth] e•piph`y•se′al (-ˈsi əl, -ˈzi-) ep•i•phys•i•al (ˌɛp əˈfɪz i əl) adj. Thesaurus| Noun | 1. |  epiphysis - the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fusedlong bone, os longum - in limbs of vertebrate animals: a long cylindrical bone that contains marrow | | 2. |  epiphysis - a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatoninepiphysis cerebri, pineal body, pineal glandductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream |
TranslationsEpiphysis
epiphysis[ə′pif·ə·səs] (anatomy) The end portion of a long bone in vertebrates. pineal body Epiphysis the jointed end of a tubular bone. The epiphyseal cartilage (known as growth plate) found between the epiphysis and the diaphysis plays a major role in the growth of bone lengthwise, becoming ossified between the ages of 12 and 25 years. Injury to the epiphysis in childhood or adolescence may cause epiphysiolysis—that is, displacement of the epiphysis and rupture of the epiphyseal cartilage, which may slow down the bone’s growth and result in its shortening. A more frequent condition is osteoepiphysiolysis, in which the fracture line extends to the diaphysis as well. epiphysis
epiphysis [e-pif´ĭ-sis] (pl. epi´physes) (Gr.) 1. the end of a long bone, usually wider than the shaft, and either entirely cartilaginous or separated from the shaft by a cartilaginous disk.2. part of a bone formed from a secondary center of ossification, commonly found at the ends of long bones, on the margins of flat bones, and at tubercles and processes; during the period of longitudinal growth, epiphyses are separated from the main portion of the bone by cartilage. adj., adj epiphys´eal. Structure and composition of a typical long bone showing the epiphysis. From Copstead, 1995.epiphysis ce´rebri pineal body.e·piph·y·sis, pl. e·piph·y·ses (e-pif'i-sis, -sēz), [TA] A part of a long bone developed from a secondary center of ossification, distinct from that of the shaft, and separated at first from the latter by a layer of cartilage. [G. an excrescence, fr. epi, upon, + physis, growth] epiphysis (ĭ-pĭf′ĭ-sĭs)n. pl. epiphy·ses (-sēz′) 1. The end of a long bone that is originally separated from the main bone by a layer of cartilage but later becomes united to the main bone through ossification.2. See pineal gland.
ep′i·phys′i·al (ĕp′ə-fĭz′ē-əl), ep′i·phys′e·al adj.e·piph·y·sis, pl. epiphyses (e-pif'i-sis, -sēz) [TA] A part of a long bone developed from a center of ossification distinct from that of the shaft and separated at first from the latter by a layer of cartilage. [G. an excrescence, fr. epi, upon, + physis, growth]epiphysis The growing sector at the end of a long bone. During the period of growth, the epiphysis is separated by a plate of CARTILAGE from the shaft of the bone. The edge of this plate nearest the shaft becomes progressively converted into bone, while the other edge develops new cartilage. In this way, the bone lengthens.epiphysis the ossified part of the end of a mammalian limb bone or vertebra which, during growth, is separated by a plate of cartilage from the rest of the ossified bone. When growth is complete the epiphysis fuses with the rest of the bone. Compare DIAPHYSIS.e·piph·y·sis, pl. epiphyses (e-pif'i-sis, -sēz) [TA] Part of long bone developed from secondary center of ossification, distinct from that of the shaft, and separated at first from the latter by a layer of cartilage. [G. an excrescence, fr. epi, upon, + physis, growth]epiphysis
Related to epiphysis: epiphysis cerebri, Growth Plate, atavistic epiphysis, slipped epiphysisSynonyms for epiphysisnoun the end of a long boneRelated Wordsnoun a small endocrine gland in the brainSynonyms- epiphysis cerebri
- pineal body
- pineal gland
Related Words- ductless gland
- endocrine gland
- endocrine
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