tricuspid orifice


orifice

 [or´ĭ-fis] 1. the entrance or outlet of any body cavity.2. any opening" >opening or meatus" >meatus. adj., adj orific´ial.aortic orifice the opening of the left ventricle into the aorta; called also aortic opening.external urethral orifice urinary meatus.internal urethral orifice the opening from the urinary bladder into the urethra at one corner of the trigone of the bladder.left atrioventricular orifice (mitral orifice) the opening between the left atrium and ventricle of the heart.pulmonary orifice (orifice of pulmonary trunk) the opening between the trunk" >pulmonary trunk and the right ventricle of the heart; called also opening of pulmonary trunk.right atrioventricular orifice (tricuspid orifice) the opening between the right atrium and ventricle of the heart.ureteral orifice the opening of a ureter into the urinary bladder at one corner of the trigone of the bladder. Called also ureteral meatus.

right atrioventricular orifice

[TA] an atrioventricular opening that leads from the right atrium into the right ventricle of the heart. Synonym(s): ostium atrioventriculare dextrum [TA], ostium venosum cordis, tricuspid orifice

tri·cus·pid or·i·fice

(trī-kŭs'pid ōr'i-fis) An atrioventricular opening that leads from the right atrium into the right ventricle of the heart.

tricuspid orifice

Right atrioventricular cardiac aperture.