A striated muscle sphincter that is an extension of the diaphragm and surrounds the vena cava. [ http://dx.doi.org/10.1242/jeb.056127 ]
Synonyms: vena cava sphincter
This is just here as a test because I lose it
Term information
function notes
upon stimulation of right phrenic nerve, may cause complete closure of the caval passage to the right heart
Term relations
Subclass of:
- striated muscle sphincter
- surrounds some vena cava
- composed primarily of some skeletal muscle tissue
- in taxon some Caniformia
- innervated_by some phrenic nerve
- continuous with some crus of diaphragm