ambiens

Updated: May 15, 2025

In some species there is a muscle called the ambiens, which has its rise in the pelvis, passes along the inner side of the thigh, whence its tendon runs over the apex of the angle of the knee joint, and down the leg till it joins the muscles that flex the toes.

Leander S. (Leander Sylvester) Keyser - Our Bird Comrades