external ear

Again, the whole external ear may be looked upon as a rudimentary structure, since it does not appear to aid the hearing in man.

At about seventy days the eyelids are visible, the nose becomes prominent, the mouth enlarges, and the external ear may be seen.

This opening led into the mouth-cavity, and according to Huschke it became the external ear-passage.

The bony external ear-passage is in general as highly developed in the lower Eastern monkeys and the anthropoid apes as in man.

The aural deformities that fall under the head of stigmata, or have been classed as such, affect all portions of the external ear.