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intramembranous bone

intramembranous bones

Intramembranous bone is bone tissue that forms directly within mesenchyme rather than replacing another tissue. In the process that produces it, osteoblasts secrete a collagen-proteoglycan matrix that binds calcium salts and becomes calcified. The defining contrast is with endochondral ossification: no cartilage is present at any stage of intramembranous ossification, so there is no cartilaginous model to be eroded and replaced. This mode of formation accounts for the flat bones, among other structures, and eleven subordinate entries are recorded beneath it in the anatomical hierarchy. Bones are therefore classified in this scheme not by shape or location but by the developmental route through which their tissue arose.

Bone tissue forms directly within mesenchyme, and does not replace other tissues[TAO]. Intramembranous ossification is the formation of bone in which osteoblasts secrete a collagen-proteoglycan matrix that binds calcium salts and becomes calcified[GO]. Intramembranous ossification is the way flat bones and the shell of a turtle are formed[GO]. Unlike endochondral ossification, cartilage is not present during intramembranous ossification[WP].

On this page
Type Bone
Nom latin intramembranous bones

Frequently Asked Questions

What is the intramembranous bone?

Bone tissue forms directly within mesenchyme, and does not replace other tissues[TAO]. Intramembranous ossification is the formation of bone in which osteoblasts secrete a collagen-proteoglycan matrix that binds calcium salts and becomes calcified[GO]. Intramembranous ossification is the way flat bo

What is the Latin name for the intramembranous bone?

The Latin name for the intramembranous bone is intramembranous bones.

References

  1. UBERON — UBERON:0002514 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.