The arrangement of the muscles of the auricles.

Auricles Muscles

The arrangement of the muscles of the auricles.

The muscular arrangement of the apex of the heart.

Muscular Arrangement of the Apex of the Heart

The muscular arrangement of the apex of the heart.

Cardiac muscular tissue, magnified about 400 diameters. The cell-boundaries and cell-nuclei are indicated only in the right-hand portion of the figure.

Cardiac Muscular Tissue

Cardiac muscular tissue, magnified about 400 diameters. The cell-boundaries and cell-nuclei are indicated…