Multiple choice

Projecting from each atrium of human heart is a diverticulum of the

  1. Apex

  2. Base

  3. Auricle

  4. Pericardial reflection

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C Correct answer
Explanation

The auricle (also called atrial appendage) is a small, pouch-like diverticulum that projects from each atrium of the human heart. It slightly increases the volume of the atrium. The apex is the pointed bottom of the heart, the base is the top where great vessels attach, and pericardial reflection refers to where the pericardium folds. The auricle is the correct anatomical structure described in the question.

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