Terminology Service for NFDI4Health
atrioventricular valve
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http://purl.obolibrary.org/obo/UBERON_0002133
A cardial valve in the atrioventricular region that separates the atrium from the ventricle and prevent backflow from the ventricles into the atria during systole. [ http://en.wikipedia.org/wiki/Heart_valve#Atrioventricular_valves http://orcid.org/0000-0002-6601-2165 ]
Term info
Label
atrioventricular valve
Synonyms
- AV valve
Subsets
pheno_slim, vertebrate_core
external definition
The atrioventricular valve has four distinct leaflets oriented anterior, posterior, left, and right of the atrioventricular orifice. Hu et al. 2001.[TAO], Valve in the heart through which blood flows from the atria to the ventricles. [TFD][VHOG]
external ontology notes
in ZFA this is part of both atrium and ventricle, but we use a connecting relationship here; see also notes for left and right.
has obo namespace
uberon
has related synonym
atrio-ventricular valve
homology notes
The conus arteriosus is the most distal part of the primitive fish heart and forms the connection between the ventricle and the ventral aorta. At the sinoatrial, the atrioventricular, and the ventriculoconal junctions, valves developed to prevent backflow of blood during relaxation of the preceding compartment.[uncertain][VHOG]
id
UBERON:0002133
Term relations
Subclass of:
- anatomical structure
- cardial valve
- part of some atrioventricular region
- connects some cardiac ventricle
- connects some cardiac atrium
- has_part some chorda tendineae
- attaches_to some cardiac skeleton