Ex 2 SG vestibulocochlear, glossopharangeal, vagus Flashcards Preview

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

The cochlear nerve arises from the ______________ ganglion.

Spiral ganglion of corti

2

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

Hearing

3

The foraminous spiral tract becomes the _____________ root or nerve.

Cochlear

4

The cochlear nerve terminates in the ________ & _______ nucleuses.

Anterior cochlear and posterior cochlear

5

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

Medial part of the posterior cochlear nucleus

6

The trapezoid body contains _____, ______ & _______ nuclei.

Posterior, medial, and anterior

7

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

posterior acoustic striae

8

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

lateral leminiscus

9

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

inferior colliculus to medial geniculate body

10

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

guddens commisure

11

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

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

12

The auditory cortex is located in the __________ gyrus.

superior temporal

13

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

vestibular, internal acousic meatus

14

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

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

15

Name the first nucleus where the vestibular nerve enters centrally.

Deiters Nucleus

16

Name the four vestibular nuclei in the caudal pons.

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

17

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

Nadulus, Floculus, and Uvula

18

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

Vestibulospinal tract

19

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

Tractus Solitarius

20

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

Spinal Nucleus of Trigeminal

21

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

Nucleus Ambiguus

22

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

Inferior Salvatory Nucleus

23

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

Inferior Salvatory Nucleus

24

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

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

25

The glossopharyngeal nerve leaves the cranial cavity through ________________.

Central part of jugular foramen

26

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

no branches off glossopharengeal nerve

27

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

inferior ganglion

28

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

Facial nerve of glossopharyngeal trunk

29

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

Tympanic nerve of glossopharyngeal nerve

30

Name the nerves, which form the tympanic plexus.

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

31

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

Lesser petrosal nerve

32

Name the nerve, which innervates the carotid sinus.

Carotid nerve

33

Name the nerves, which form the pharyngeal plexus.

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

34

Name the nerve, which innervates the stylopharyngeus muscle.

Stylopharyngeal nerve

35

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

Lingual nerve

36

Name the nerve, which innervates the vallate papillae.

lingual nerve

37

The otic ganglion is functionally connected to _____________.

Glossopharyngeal nerve

38

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

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

39

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

middle meningeal plexus