Bassett Collection of Stereoscopic Images of Human Anatomy

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KEYWORDS: Heart, Left heart, Muscles and tendons, Right heart.

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.

For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

Detailed dissection of heart

Ventricular myocardium; cardiac valves and ostia, basal view

The atria have been cut off close to their attachments to the atrioventricular valve rings.

1 .	Pulmonary trunk
2 .	Right semilunar cusp
3 .	Anterior semilunar cusp
4 .	Left semilunar cusp (together 2-4 make up the pulmonary valve
5 .	Nodule of valve
6 .	Left coronary artery (at origin from aortic sinus)
7 .	Ascending aorta
8 .	Left fibrous trigone
9 .	Left ventricle
10 .	Left atrioventricular opening
11 .	Anterior cusp of mitral valve
12 .	Posterior cusp of mitral valve
13 .	Myocardium left atrium (cut across)
14 .	Right fibrous trigone
15 .	Atrioventricular bundle (bundle of His)
16 .	Posterior interventricular sulcus
17 .	Right atrioventricular opening
18 .	Conus arteriosus
19 .	Left semilunar cusp (aortic)
20 .	Upper pointer: Right semilunar cusp Lower pointer: posterior semilunar cusp (of aortic valve)
21 .	Right coronary artery (at origin from aortic sinus)
22 .	Atrioventricular septum
23 .	Anterior semilunar cusp (pulmonary)
24 .	Septal (medial) cusp of tricuspid valve
25 .	Posterior cusp tricuspid valve
26 .	Right ventricle
27 .	Myocardium right atrium (cut across)