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cusp of cardiac valve

cardiac valve cusp

Sealing a heart valve when it closes is the work of its cusps. Each cardiac valve carries three of them, with one exception: the mitral valve has only two, which is the origin of its alternative name, the bicuspid valve. At the tip of each cusp lie nodules, thickenings that allow the free edges to meet more closely and form a tighter seal when the valve is shut. The cusp is therefore described as a part of the valve rather than as an independent structure, since its geometry is meaningful only in apposition to its neighbours. Three subordinate structures are recorded beneath this entry in the anatomical hierarchy, matching the three-cusp arrangement of the valves that have it, and the Latin form is given as cardiac valve cusp.

The part of the heart valves that serves to seal the heart valves when closed. There are three cusps for each valve except for the mitral valve, which has only two (hence its alternate name, 'bicuspid valve'). 'Nodules' are located at the tip of the valve, to form a tighter seal[WP].

On this page
Type Organ
Structure parente organ part
Nom latin cardiac valve cusp
FMA ID 7232

Frequently Asked Questions

What is the cusp of cardiac valve?

The part of the heart valves that serves to seal the heart valves when closed. There are three cusps for each valve except for the mitral valve, which has only two (hence its alternate name, 'bicuspid valve'). 'Nodules' are located at the tip of the valve, to form a tighter seal[WP].

What is the Latin name for the cusp of cardiac valve?

The Latin name for the cusp of cardiac valve is cardiac valve cusp.

References

  1. Foundational Model of Anatomy — FMA:7232 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0006009 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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