Showing posts with label Muscles. Show all posts
Showing posts with label Muscles. Show all posts

Friday, February 8, 2019

Anatomy of Ear: Middle Ear


Middle ear muscles are innervated by 

a). Cranial nerve VII
b). Cranial nerve V
c). Cranial nerve VII and VIII
d). Cranial nerve VII and IX
e). Cranial nerve V and VII








Monday, August 15, 2011

Anatomy of Ear: Auricle

Extrinsic muscles of the auricle are _________, _________, and _________.






Answer:
Auricularis Anterior: It is thin and fan-shaped, and arises from the lateral edge of the
epicranial aponeurosis, and project on the front of the helix.

Auricularis Posterior:
It consists of two or three bundles, and arise from the mastoid portion of the temporal bone by short aponeurotic fibers and insert into the lower part of the cranial surface of the concha

Auricularis Superior: It is thin and fan-shaped, and arise
from the epicranial aponeurosis, and converge the upper part of the cranial surface of the auricule.