The Great Auricular Nerve of the Cervical Plexus supplies the descending helix and the lobe.

The Auricular Temporal Nerve of the Trigeminal Nerve supplies the ascending helix, as far as the Darwin’s tubercle, the triangular fossa, the scapha, the anti-tragus and the anti-helix including the wall of the anti-helix.

The Auricular Branch of the Vagus Nerve supplies the concha.