The internal C-shaped crest of the right atrium which indicates the openings for the Superior vena cava and Inferior vena cava is
A) fossa ovalis.
B) pectinate muscles.
C) crista terminalis.
D) trabeculae carneae.
E) ligamentum arteriosum.

Question

Quizplus · Accepted Answer

The crista terminalis is the C-shaped ridge in the right atrium that separates the smooth part of the atrial wall from the area with pectinate muscles and indicates the location of the openings for the superior and inferior vena cava.

The Internal C-Shaped Crest of the Right Atrium Which Indicates