Lane Medical Library

Bassett Collection of Stereoscopic Images of Human Anatomy

KEYWORDS: Bones cartilage joints, Ear, Peripheral nervous system.

Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of ear from lateral aspect

Relation of right auricular cartilage to external auditory meatus; terminal branches of great auricular nerve

The posterior auricular muscle has been cut and the auricular cartilage retracted laterally.

1 .	Lesser occipital nerve
2 .	Posterior auricular muscle (cut across)
3 .	Auricular branch vagus nerve
4 .	Aberrant slip of posterior auricular muscle
5 .	Occipital branch of posterior auricular nerve
6 .	Posterior auricular nerve
7 .	Sternocleidomastoid muscle (superficial fascia reflected)
8 .	Upper pointer: Superior auricular muscle Lower pointer: Temporal fascia
9 .	Helix
10 .	Tragal plate
11 .	External acoustic meatus (opened posteriorly)
12 .	Conchal eminence
13 .	Posterior branch greater auricular nerve
14 .	Cartilaginous acoustic meatus
15 .	Communication between posterior auricular nerve and greater auricular nerve
16 .	Upper pointer: Antitragicohelical fissure Lower pointer: Tail of helix
17 .	Branch facial nerve (to intrinsic muscles of auricle)
18 .	Parotid gland
19 .	Greater auricular nerve