epiphysis
Americannoun
-
a part or process of a bone separated from the main body of the bone by a layer of cartilage and subsequently uniting with the bone through further ossification.
noun
-
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 together
-
Also called: epiphysis cerebri. the technical name for pineal gland
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of epiphysis
1625–35; < New Latin < Greek epíphysis a growth upon, equivalent to epi- epi- + phýsis growth ( phȳ́ ( ein ) to make grow, bring forth, produce + -sis -sis )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The diaphysis contains compact bone surrounding a medullary cavity containing bone marrow On either end is an epiphysis containing cancellous or spongy bone.
From Textbooks ● Jan. 1, 2015
The internal anatomy of the epiphysis is revealed.
From Textbooks ● Jan. 1, 2015
A long bone has two parts: the diaphysis and the epiphysis.
From Textbooks ● Jun. 19, 2013
Like the primary ossification center, secondary ossification centers are present during endochondral ossification, but they form later, and there are two of them, one in each epiphysis.
From Textbooks ● Jun. 19, 2013
Separation of the lower epiphysis is a comparatively common injury.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
The epiphyses of bones, such as the neck of the femur, are subject to stress from many directions.
From Textbooks ● Jun. 9, 2022
In the last stage of prenatal bone development, the centers of the epiphyses begin to calcify.
From Textbooks ● Jun. 9, 2022
The epiphyses also contain hyaline cartilage for forming joints with other bones.
From Textbooks ● Jan. 1, 2015
This begins as a primary ossification center in the diaphysis, followed by the later appearance of one or more secondary ossifications centers in the regions of the epiphyses.
From Textbooks ● Jun. 19, 2013
In young subjects, for example, epiphysial lines may be mistaken for fractures, or the ossifying centres of epiphyses for separated fragments of bone.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
