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Laboratory 20. Heart
Step 16. The Right Atrioventricular Orifice

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Identify the large atrioventricular orifice. It is the location of the right atrioventricular, or tricuspid, valve, which separates the right atrium from the right ventricle. The tricuspid valve will be studied in detail in Step 19.

Links and References:
Grant's: 1.63
Netter: 208
Rohen/Yokochi: 240