Sunday, 21 February 2016

Vestibular nerve


True about vestibular nerve 

a. Nucleus is supplied by PICA 
b. Anastomotic connection with facial nerve 
c. Vestibular ganglion also called Scarpa’s ganglion. 
d. Nucleus at roof of 4th ventricle. 
e. Connection with trigeminal nerve


Ans. (A) Nucleus is supplied by PICA; (B) Anastoniotic connection with facial nerve (C) Vestibular ganglion also called Scarpa’s ganglion.
• Vestibular nuclei located in the floor of the 4th ventricle in the rostral medulla and caudal pons.

Scarpa's ganglion: This is the ganglion of the vestibular nerve. It contains the cell bodies of the bipolar primary afferent neurons whose peripheral processes form synaptic contact with hair cells of the vestibular sensory end organs. [MCQ]At birth, it is already close to its final size