Left side of the heart, showing the left auricle (atrium) and left ventricle).

Left Side of the Heart

Left side of the heart, showing the left auricle (atrium) and left ventricle).

The left ventricle and the commencement of the aorta laid open. Mpm, Mpl, the papillary muscles. From their upper ends are seen the cordoe tendineoe proceeding to the edges of the flaps of the mitral valve. The opening into the auricle lies between these flaps. At the beginning of the aorta are seen its three pouch-like semilunar valves.

Ventricle and Aorta Laid Open

The left ventricle and the commencement of the aorta laid open. Mpm, Mpl, the papillary muscles. From…