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14 Cards in this Set

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Nerve supply of pinna/ auricle


1.Auriculotemporal N


2.Greater auricular N


3.Lesser occipital N


4.Auricular branch of vagus N


5.Few fibre of facial N

Nerve supply of lateral surface of pinna

1.(Upper 1/3 )Auriculotemporal N


2.(Lower 2/3) Greater auricular N


3.Concha by fibres of 10th & 7th N


Nerve supply of medial surface of pinna / aurical

1.Lesser occipital N ( Upper 1/3)


2.Greater auricular N (Lower 2/3)


3.Fibres of 7th & 10th N

Nerve supply of anterior wall & roof of external auditory canal / meatus

Auriculotemporal N

Nerve supply of posterior wall & floor of external auditory canal

1.Auricular branch of vagus(Arnold's N / Aldermann's N)


2.Fibres of facial N ( Wrisberg N) thru fibre of vagus

Auricuotemporal N is branch of

Mandibular branch of trigeminal N

Greater auricular N is branch of

C2 ,C3

Nerve supply of anteroinferior part of tympanic membrane (laterally)

Auriculotemporal nerve

Nerve supply of posterosuperior part of tympanic membrane(laterally)

Auricular branch of Vagus N

Nerve supply of medial surface of tympanic membrane

Tympanic branch of glossopharyngeal N (Jacobson N)

Nerve supply of middle ear

Tympanic plexus

Nerve supply of middle ear

Tympanic plexus

Tympanic plexus is formed by

1. Tympanic branch of glossopharyngeal N


2. Superior and inferior Carotympanic nerves


(Sympathetic plexus around internal carotid)

Relationship of middle external auditory canal