Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of pericardium and heart in situ

Interatrial wall sectioned; sinuses of pericardium

Image #118-6

KEYWORDS: Heart, Left heart, Pericardial sac.

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

Dissection of pericardium and heart in situ
Interatrial wall sectioned; sinuses of pericardium
The interatrial wall has been cut vertically to show the relation of the fossa ovalis to the left atrium. The remains of both ventricles and part of the posterior wall of the left atrium have been removed so that the oblique sinus of the pericardial cavity may be visualized.
1 . Right phrenic nerve
2 . Aortic arch
3 . Superior vena cava
4 . Red latex cast in right superior pulmonary vein
5 . Valve of foramen ovale (falx septi, in left atrium)
6 . Border of fossa ovalis (sectioned vertically)
7 . Upper pointer: Fossa ovalis (sectioned vertically) Lower pointer: Interatrial septum
8 . Right atrium
9 . Latex cast in inferior vena cava
10 . Left vagus nerve
11 . Left phrenic nerve
12 . Pulmonary trunk
13 . Transverse pericardial sinus
14 . Left superior pulmonary vein (covered by serous layer of pericardium)
15 . Left atrium (remnant of posterior wall)
16 . Latex cast in left inferior pulmonary vein
17 . Oblique pericardial sinus
18 . Diaphragmatic part of pericardium
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