Auricle, also called pinna, in human anatomy, the visible portion of the external ear, and the point of difference between the human ear and that of other mammals. The auricle in humans is almost rudimentary and generally immobile and lies close to the side of the head.

Where are the Auricles found and what are their purpose?

Often confused with the left atrium, it is one of the most prominent structural features of the left atrium and plays an important role in the pumping of blood within the heart. The name auricle comes from the Latin word auricula, which means “ear” and refers to the floppy dog-ear shape of the auricle.

Is the auricle in the middle ear?

The outer ear includes: auricle (cartilage covered by skin placed on opposite sides of the head) auditory canal (also called the ear canal) eardrum outer layer (also called the tympanic membrane)