epiphyseal line
{{short description|Region of fusion between the head and neck of a long bone}}
{{Anatomy-terms}}
An epiphyseal line is an epiphyseal plate that has become ossified.{{Cite web|title=Medical Definition of EPIPHYSEAL LINE|url=https://www.merriam-webster.com/medical/epiphyseal+line|access-date=2021-01-22|website=www.merriam-webster.com|language=en}} The process of it forming from an epiphyseal plate is named epiphyseal closure.{{Cite web|title=Epiphyseal Line/Plate|url=https://www.earthslab.com/anatomy/epiphyseal-line-plate/|access-date=2021-01-22|website=Earth's Lab|language=en-US}} In adult humans, it marks the point of fusion between the epiphysis and the metaphysis.{{cite book |doi=10.1016/B978-1-4160-6069-7.00054-7 |chapter=Pathogenesis of Osteochondrosis |title=Diagnosis and Management of Lameness in the Horse |date=2011 |last1=Douglas |first1=Janet |pages=617–625 |isbn=978-1-4160-6069-7 }}{{cite encyclopedia |title=epiphyseal line |encyclopedia=Oxford Reference |url=https://www.oxfordreference.com/view/10.1093/oi/authority.20110803095754872 }}
Function
The epiphyseal line serves no function in the bone, being purely vestigial. However, it serves as an indicator of the boundary between the epiphysis and diaphysis.
References
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{{Bone and cartilage}}
{{Bone/cartilage physiology}}
{{Ossification}}
{{Authority control}}
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