Lane Medical Library

Bassett Collection of Stereoscopic Images of Human Anatomy

Detailed dissection of heart

Interior of left atrium, posterior view

Image #122-1

KEYWORDS: Heart, Left heart.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Detailed dissection of heart
Interior of left atrium, posterior view
The left atrium has been opened by means of a U-shaped incision through its posterior wall. The left surface of the interatrial septum (13) appears opposite this incision.
1 . Pulmonary trunk (cut across at bifurcation into right and left branches)
2 . Left pulmonary veins (cut at entry into left atrium)
3 . Left auricle
4 . Fat in posterior part of coronary sulcus
5 . Left atrioventricular opening
6 . Reflected flap of posterior atrial wall
7 . Line of reflection of serous pericardium
8 . Right pulmonary artery
9 . Superior vena cava
10 . Right pulmonary veins
11 . Right atrium
12 . Valve of foramen ovale (falx septi)
13 . Interatrial septum
14 . Inferior vena cava

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