Opening of the right atrioventricular valve

orifice /or·i·fice/ (or´ĭ-fis)

1. the entrance or outlet of any body cavity.

2. any opening or meatus.orific´ial

aortic orifice the opening of the left ventricle into the aorta.

cardiac orifice see under opening.

external urethral orifice urinary meatus.

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 pulmonary trunk and the right ventricle.

right atrioventricular orifice , tricuspid orifice the opening between the right atrium and ventricle of the heart.

right atrioventricular orifice,

the opening between the right atrium and ventricle of the heart. Also called tricuspid orifice.

orifice [or´ĭ-fis]

1. the entrance or outlet of any body cavity.

2. any opening or 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 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.

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external urethral orifice
left atrioventricular orifice
mitral orifice
orifice
pulmonary orifice
tricuspid oriface
tricuspid orifice
ureteral orifice