Normal Anatomy  
Embryology 3

Embryology 3

Description : The fourth hillock forms the antihelix, the fifth the antitragus, and the sixth the lobule and lower portion of the helix. These areas are innervated by a small sensory component from the facial nerve (the nerve of the second branchial arch), and from the cervical plexus via the greater auricular and lesser occipital nerves.

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