Osteon
Fundamental anatomical unit of compact bone / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Osteon?
Summarize this article for a 10 year old
In osteology, the osteon or haversian system (/həˈvɜːr.ʒən/; named for Clopton Havers) is the fundamental functional unit of much compact bone. Osteons are roughly cylindrical structures that are typically between 0.25 mm and 0.35 mm in diameter.[1] Their length is often hard to define,[2] but estimates vary from several millimeters[3] to around 1 centimeter.[1] They are present in many bones of most mammals and some bird, reptile, and amphibian species.
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these template messages)
|
Osteon | |
---|---|
Details | |
Identifiers | |
Latin | Osteon |
MeSH | D006253 |
Anatomical terminology |
Histogenesis The Haversian system forms during the process of endochondral ossification, which starts with a cartilage template that is gradually replaced by bone tissue. "Osteoblasts", the bone-forming cells, secrete the organic components of bone matrix [osteoid] and then initiates its mineralization. As osteoblasts become surrounded by the bone matrix, they differentiate into osteocytes, which reside in the lacunae and maintain bone tissue. The osteocytes connect to each other and the Haversian canal via tiny canals called "canaliculi".