Helix (ear)

Helix
The auricle seen from the side
Horizontal section through left ear; upper half of section (helix labeled at bottom right)
Details
Identifiers
Latin	Helix
TA	A15.3.01.005
FMA	60992
*Anatomical terminology* [edit on Wikidata]

The helix is the prominent rim of the auricle. Where the helix turns downwards posteriorly, a small tubercle is sometimes seen, namely the auricular tubercle of Darwin.

Additional images

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

Anatomy of hearing and balance

Tympanic cavity	Medial structures oval window round window secondary tympanic membrane prominence of facial canal promontory of tympanic cavity Posterior structures mastoid cells aditus to mastoid antrum pyramidal eminence

Ossicles	Malleus superior ligament lateral ligament anterior ligament Incus superior ligament posterior ligament Stapes annular ligament Muscles stapedius tensor tympani

Auditory tube / Eustachian tube	Torus tubarius

Auditory system/
Cochlear labyrinth

General cochlea	Vestibular duct Helicotrema Tympanic duct Modiolus Cochlear cupula

Perilymphatic space	Perilymph Cochlear aqueduct

Cochlear duct / scala media	Reissner's/vestibular membrane Basilar membrane Reticular membrane Endolymph Stria vascularis Spiral ligament Organ of Corti stereocilia tip links Tectorial membrane Sulcus spiralis externus internus Spiral limbus

Cells	Claudius cell Boettcher cell

Vestibular system/
Vestibular labyrinth

Vestibule	Utricle macula Saccule macula Kinocilium Otolith Vestibular aqueduct endolymphatic duct endolymphatic sac Ductus reuniens

Semicircular canals	Superior semicircular canal Posterior semicircular canal Horizontal semicircular canal Ampullary cupula Ampullae crista ampullaris

This article is issued from Wikipedia - version of the 11/25/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.