Lane Medical Library

Bassett Collection of Stereoscopic Images of Human Anatomy

Detailed dissection of heart

Tricuspid valve viewed from below

Image #121-6

KEYWORDS: Heart, Right heart.

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

Detailed dissection of heart
Tricuspid valve viewed from below
The ventricular aspect of the tricuspid valve is displayed by viewing the heart from a position near its apex. The interior of the right atrium is visible through the ostium of the valve.
1 . Myocardium of anterior wall of right ventricle (cut and elevated)
2 . Posterior cusp tricuspid valve
3 . Septal (medial) cusp of tricuspid valve
4 . Chordae tendineae
5 . Epicardium of right ventricle
6 . Posterior papillary muscle
7 . Trabeculae carnae
8 . Anterior papillary muscle (attached to reflected flap of ventricular wall)
9 . Left pointer: Fossa ovalis Right pointer: Border of fossa ovalis
10 . Right auricle
11 . Right atrioventricular opening (arrow on drawing indicates interior of right atrium beyond opening)
12 . Anterior cusp tricuspid valve
13 . Supraventricular crest
14 . Area in which right branch of A-V bundle descends into right ventricle (covered by endocardium)
15 . Septomarginal trabecula (moderator band)
16 . Septal papillary muscles

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