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enthesis

An enthesis is the connective tissue at the site where a tendon or ligament inserts into bone, and its function is to transmit tensile load from soft tissue to the skeleton. Two structural types are recognised. Fibrous entheses attach directly to bone or periosteum primarily through fibrous tissue, whereas fibrocartilaginous entheses attach through a transitional layer of fibrocartilage interposed between the fibrous tendon tissue and the bone. That graded transition distributes stress across an interface between materials of very different stiffness. Recurring stress or inflammatory autoimmune disease can cause inflammation of the enthesis and, occasionally, fibrosis and calcification. Two subordinate structures are recorded beneath this entry, corresponding to the two types.

The connective tissue between tendon and bone insertion sites, which acts to transmit tensile load from soft tissues to bone. They may be of the dense fibrous connective tissue or fibrocartilage type; fibrous entheses attach directly to bone or periosteum primarily via fibrous tissue, and fibrocartilaginous entheses attach to bone through a transitional layer of fibrocartilage from the fibrous tendon tissue the sites where tendons or ligaments insert into the bone. Recurring stress or inflammatory autoimmune disease can cause inflammation or occasionally fibrosis and calcification of the enthesis.

On this page
Typ Bone
Körpersystem Muscular
Übergeordnete Struktur connective tissue

Frequently Asked Questions

What is the enthesis?

The connective tissue between tendon and bone insertion sites, which acts to transmit tensile load from soft tissues to bone. They may be of the dense fibrous connective tissue or fibrocartilage type; fibrous entheses attach directly to bone or periosteum primarily via fibrous tissue, and fibrocarti

What body system is the enthesis part of?

The enthesis is part of the Muscular.

References

  1. UBERON — UBERON:0035845 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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