Ex 2 SG vestibulocochlear, glossopharangeal, vagus Flashcards Preview

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Flashcards in Ex 2 SG vestibulocochlear, glossopharangeal, vagus Deck (39)
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1
Q

The cochlear nerve arises from the ______________ ganglion.

A

Spiral ganglion of corti

2
Q

The hair cells of the organ of Corti are for ____________ sense.

A

Hearing

3
Q

The foraminous spiral tract becomes the _____________ root or nerve.

A

Cochlear

4
Q

The cochlear nerve terminates in the ________ & _______ nucleuses.

A

Anterior cochlear and posterior cochlear

5
Q

The nerve fibers from the basal cochlear convolution terminate in the _____ part of the ventral cochlear nucleus for the tonotopic organization.

A

Medial part of the posterior cochlear nucleus

6
Q

The trapezoid body contains _____, ______ & _______ nuclei.

A

Posterior, medial, and anterior

7
Q

Name the connection between the dorsal cochlear nucleus to opposite side of the lateral lemniscus.

A

posterior acoustic striae

8
Q

The Probst’s commisure connects the right & left ________.

A

lateral leminiscus

9
Q

The peduncle of the inferior colliculi connects from _____ to _____for sound information.

A

inferior colliculus to medial geniculate body

10
Q

The right & left medial geniculate bodies are inter-connected by the __________.

A

guddens commisure

11
Q

Name five commisures connecting the cochlear tract in the central nervous system.

A

guddens commissure, probst’s commissure, commissure of inferior colliculi, trapezoid body, posterior acoustic striae

12
Q

The auditory cortex is located in the __________ gyrus.

A

superior temporal

13
Q

The vestibular nerve originated from the ____ ganglion in the _______.

A

vestibular, internal acousic meatus

14
Q

The superior part of the vestibular ganglion receives nerves from the ___, ___, ____ & ___.

A

anterior ampullary nerve, lateral ampullary nerve, utricular nerve and part of the saccular nerve

15
Q

Name the first nucleus where the vestibular nerve enters centrally.

A

Deiters Nucleus

16
Q

Name the four vestibular nuclei in the caudal pons.

A

Superior: Bechterew, Medial: Schwalbe, Lateral: Dieters, Inferior vestibular nucleus

17
Q

The vestibular nuclei connect to the ____, ____, & _____ of the cerebellum.

A

Nadulus, Floculus, and Uvula

18
Q

Name the tract which originates from the lateral vestibular nucleus to the sacral spinal cord for antigravity reflexes.

A

Vestibulospinal tract

19
Q

Name the nucleus for the taste sense of the glossopharyngeal nerve. ____________

A

Tractus Solitarius

20
Q

Name the nucleus of the general sense of the glossopharyngeal nerve. ____________

A

Spinal Nucleus of Trigeminal

21
Q

Name the motor nucleus of the glossopharyngeal nerve for the stylopharyngeus. _______

A

Nucleus Ambiguus

22
Q

The parasympathetic fibers in the glossopharyngeal nerve are originated from the ___ neulceus.

A

Inferior Salvatory Nucleus

23
Q

Name the nucleus, which sends the efferent fibers to the parotid gland. _______

A

Inferior Salvatory Nucleus

24
Q

Name the nerves, which convey the visceral efferent fibers from the inferior salivatory nucleus to the parotid gland in sequence.

A

Tympanic Nerve, Tympanic plexus, lesser petrosal nerve, otic ganglion and auriculotemporal nerve

25
Q

The glossopharyngeal nerve leaves the cranial cavity through ________________.

A

Central part of jugular foramen

26
Q

The superior ganglion of the glossopharyngeal nerve gives off branches to the pharynx. True/false

A

no branches off glossopharengeal nerve

27
Q

The auricular nerve of the vagus communicates with ______ of the glossopharyngeal nerve.

A

inferior ganglion

28
Q

Name the nerve, which perforates the posterior belly of the digastric to communicate with the trunk of the glossopharyngeal nerve. ____________________

A

Facial nerve of glossopharyngeal trunk

29
Q

Name the nerve, which arise from the inferior ganglion of the glossopharyngeal nerve & ascends through the inferior tympanic canaliculi.

A

Tympanic nerve of glossopharyngeal nerve

30
Q

Name the nerves, which form the tympanic plexus.

A

Branches to the tympanic cavity, greater petrosal nerve, lesser petrosal nerve

31
Q

Name the nerve, which passes the foramen ovale or the canaliculi innominatus to join the otic ganglion.

A

Lesser petrosal nerve

32
Q

Name the nerve, which innervates the carotid sinus.

A

Carotid nerve

33
Q

Name the nerves, which form the pharyngeal plexus.

A

Pharyngeal nerve of the vagus, laryngopharyngeal nerve of the superior cervical ganglion or cervical sympathetic trunk

34
Q

Name the nerve, which innervates the stylopharyngeus muscle.

A

Stylopharyngeal nerve

35
Q

Name the nerve that innervates the postsulcal part of the tongue for the taste & general sense.

A

Lingual nerve

36
Q

Name the nerve, which innervates the vallate papillae.

A

lingual nerve

37
Q

The otic ganglion is functionally connected to _____________.

A

Glossopharyngeal nerve

38
Q

Name the nerves that convey the visceral motor fibers from the inferior salivatory nucleus to the parotid ganglion in sequence.

A

Inferior salvatory necleus, glossopharyngeal nerve, tympanic nerve, tympanic plexus, lesser petrosal nerve, otic ganglion, auriculotemporal nerve, parotid gland

39
Q

The sympathetic root of the otic ganglion is derived from ____________.

A

middle meningeal plexus