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The end portion of a long bone in vertebrates.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Those with epiphyseal transplant had an average annual growth of 17 mm with a mean growth of 26.4 mm total (9.6-62.4 mm).
A UBC tends to have a conical shape, with a wider or "ice cream cone" base paralleling the epiphyseal plate.
What this research shows us is physicians will need to start looking for the beginning of epiphyseal fusion sooner than they once thought."
Epiphyseal dysplasia of the femoral head, mild vertebral abnormality, myopia and sensorineural deafness: report of a pedigree with autosomal dominant inheritance.
Premature epiphyseal closure after VDRO was described by Barnes (17) in 1980.
Patient usually presents with pain or pathological fracture (10-30% cases).22 Radiograph is diagnostic with presence of eccentrically located lytic epiphyseal lesion abutting subchondral bone.
Conclusion: Caffeine intake altered the height of proliferative and hypertrophy zones of the epiphyseal cartilage of developing femur; however treatment with vitamin D3 ameliorated this effect.
To narrow down on the African population, Dembetembe (2010) studied age estimation using fusion of epiphyseal plates of the wrist joint in subjects within the age range of 14 to 22 years.
Even so, it is difficult to distinguish SEDT from mucopolysaccharide storage type IV, idiopathic dwarfism, congenital spinal epiphyseal dysplasia, multiple epiphyseal dysplasia, etc., because the clinical features of the disease are not obvious during early childhood [15, 16].
The age at each stage of an epiphyseal union is a parameter known to be multifactorial [3, 4, 7,12-17], which will consequently affect the process of the union at the epiphyses.
O'Doherty, "Type I Monteggia fracture dislocation associated with ipsilateral distal radial epiphyseal injury," Journal of Orthopaedic Trauma, vol.
The diagnosis is usually suspected on a physical background and confirmed by radiographic studies of the skeleton, showing distinctive abnormalities of the hands, feet (epiphyseal coning), and pelvis, (small, flat, or fragmented femoral heads in some patients).