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Anatomy Head and Neck > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Maxillary N. (branches)

A

Pterygopalatine Nerves zygomatic nerves Posterior Superior Alveolar n. Infraorbital n. Sensory (trigeminal ganglion) Post-G Sym ( Superior cervical ganglion, internal carotid plexus cavernous sinus and N or pterygoid canal) Skin of lower lid, nose, upper lip, cheek, cheekbone, mucosa of nasal cavity, oral cavity, pharynx dental pulp: upper teeth

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2
Q

Chorda Tympani N.

A

Branch of facial n. in facial canal Taste (geniculate ganglion) mucosa of anterior 2/3 of tongue Pre-G Para (superior salivatory nucleus in pons) submandibular ganglion (post-G para travel with lingual n and innervate sublingual and submandibular glands)

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3
Q

Anterior Superior Alveolar N.

A

Branch of infraorbital (maxillary) Sensory (trigeminal ganglion) Post-G Sym ( external carotid plexus) upper canines and incisors S, Post-G S, Post-G Parap (pterygopalatine ganglion) maxillary sinus

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4
Q

what transmits n. and artery of masseter muscle?

A

mandibular notch

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5
Q

Mylohyoid groove

A

houses mylohyoid nerve

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6
Q

Mandibular N. (axons and branches)

A

Meningeal branch muscular sensory S (trigeminal ganglion), Post G S (external carotid plexus vis maxillary a) and LMN (trigeminal motor nucleus in pons) Skin: lower lip, chin, cheek, ear, temple mucosa: oral cavity Muscles of mastification

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7
Q

Oculomotor N. Branches

A

CN III Superior Ramus Inferior Ramus

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8
Q

what transmits superior alveolar a .n. and v.

A

alveolar canal

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9
Q

Mandibular Canal

A

houses inferior alveolar a. v. and n within the ramus and body of mandible

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10
Q

Trochlear N. (innervation)

A

Superior Oblique Muscles

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11
Q

what transmits middle meningeal a.?

A

foramen spinosum

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12
Q

Lingual N.

A

Sensory branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) mucosa: anterior 2/3 of tongue, floor of oral cavity and adjcaent gingiva Taste (chorda tympani n.) ant. 2/3 of tongue S, Post-G Sym, Post-G Para (Chorda tympani n. by way of submandibular ganglion) lingual, sublingual, submandibular glands

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13
Q

Lateral Posterior superior nasal N.

A

Sensory (trigeminal ganglion) Post-G Sym ( N of pterygoid canal) Post-G Parap (pterygopalatine ganglion) Mucosa of lateral wall of nasal cavity

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14
Q

Vestibulocochlear n

A

CN VIII Sensory for hearing

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15
Q

Muscular branches of mandibular n. (branches)

A

Nerve to medial pterygoid masseteric n. deep temporal n. nerve to lateral pterygoid

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16
Q

Olfactory N. Branches

A

CN1 Olfactory bulb Olfactory tract

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17
Q

Branches in facial canal

A

Facial n. N to Stapedius Chorda tympani n.

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18
Q

what transmits nasocilliary n?

A

superior orbital fissure

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19
Q

What is the superior sagittal sulcus?

A

houses superior sagittal sinus

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20
Q

Trochlear N. (axons)

A

CN IV Sensory (ophthalmic n. in Superior orbital fissure) Post-G Sym (from superior cervical ganglion/internal carotid plexus in cavernous sinus) LMN (trochlear nucleus in midbrain)

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21
Q

What is the function of the sulcus chiasmatis?

A

houses optic chiasm

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22
Q

Ophthalmic N. (Branches and axons)

A

Lacrimal N. Frontal N. Nasociliary N. Sensory ( with cell body in trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus in cavernous sinus)

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23
Q

Jugular notch and foramen

A

transmits: internal jugular v. glossopharyngeal n. vagus n. accessory n.

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24
Q

What do you do to test the response of the eye?

A

Pupillary Reflex:

S: Optic

M: Oculomotor (to celiary ganglion)

Blink Test:

S: Ophthalmic N (Long and short ciliary)

M: Frontal (eye lid movement)

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25
Q

what transmits the lacrimal n.?

A

Superior orbital fissure

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26
Q

Trigeminal N. Branches

A

CN V Ophthalmic N. Maxillary N. Mandibular M.

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27
Q

Carotid Groove function

A

houses internal carotid a. and carotid v.

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28
Q

Long buccal N.

A

Sensory branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) Buccal skin buccal mucosa and gingiva

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29
Q

what is the function for sulcus for sigmoid sinus?

A

houses sigmoid sinus

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30
Q

what houses the optic chiasm?

A

Sulcus chiasmatis

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31
Q

Glossopharyngeal N. branches

A

CN IX Tympanic n. carotid branch pharyngeal branch tonsilar branch lingual branch N. to stylopharyneus m.

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32
Q

Greater Petrosal N. (branches and axons)

A

Pre-G Para (superior salivatory nucleus in pons) pterygopalatine ganglion Sensory (taste from geniculate ganglion) to innervate muscosa of palate N. of Pterygoid canal

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33
Q

N. to stapedius

A

Branch of facial n. in facial canal LMN form Facial motor nucleus in Pons stapedius muscle

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34
Q

Posterior Ethmoidal N. (axons and innervation)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus cavernous sinus) Mucosa of superior nasal cavity

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35
Q

Long Ciliary N. (axons and innervation)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus cavernous sinus) Eye Post-G Sym of dilator muscles of iris

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36
Q

Short Ciliary N (axons and innervation)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus cavernous sinus) Innervation of eye PostG Sym dilator muscle of iris PostG para (ciliary ganglion) constrictor muscle of iris

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37
Q

Anterior ethmoidal n. (axons and innervation)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus cavernous sinus) Mucosa of frontal and ethmoidal sinus, superior nasal cavity skin overlying nose

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38
Q

what transmits the trochlear n?

A

superior orbital fissure

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39
Q

Frontal N. (branches)

A

Supraorbital N. Supratrochlear N.

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40
Q

What houses the pituitary?

A

hypophyseal fossa

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41
Q

what is the function of the hypophyseal fossa?

A

houses pituitary

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42
Q

what transmits mandibular n.?

A

foramen ovale

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43
Q

N. to mylohyoid

A

Branch of inferior alveolar n. (sensory branch of meningeal n.) S (trigeminal ganglion), post G Sym (external carotid plexus) LMN (trigeminal motor nucleus of pons) mylohyoid m anterior digastric m.

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44
Q

Foramen Rotundum function

A

transmits maxillary n.

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45
Q

Nerve to lateral pterygoid

A

Muscular branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) LMN (trigeminal motor nucleus of pons) Lateral pterygoid m.

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46
Q

Nasociliary N. Branches

A

Anterior ethmoidal N. Posterior Ethmoidal N. Long Ciliary N. Short Ciliary N. Infratrochlear N.

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47
Q

Pterygopalatine nerves (Branches)

A

Nerves that emerge from Pterygopalatine ganglion Phargyngeal n. lateral posterior superior nasal n. medial posterior superior nasal n. greater palatine n. lesser palatine n.

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48
Q

Nerve to medial pterygoid

A

Muscular branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) LMN (trigeminal motor nucleus of pons) Medial pterygoid tensor palatini tensor tympani

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49
Q

Infraorbital n. a. and v. runs through?

A

infraorbital groove and canal

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50
Q

Superior Ramus of Oculomotor N. (axons)

A

Muscular Branches Sensory (from ophthalmic n. in Superior orbital fissure) Post-G Sym (superior cervical ganglion/internal carotid plexus in cavernous sinus) LMN (oculomotor nulcues in midbrain)

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51
Q

Meningeal Branch

A

branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) LMN (trigeminal motor nucleus of pons) Cranial dura mater

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52
Q

Facial N branches

A

Branches in facial canal Greater petrosal n. branches in stylomastoid foramen branches on face

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53
Q

what transmits abducent n?

A

superior orbital fissure

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54
Q

Infratrochlear N. (axons and innervation)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus cavernous sinus) skin over bridge of nose

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55
Q

Alveolar canals function

A

transmits superior alveolar a .v. and n

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56
Q

what transmits meningeal recurrent branch of mandibular a.

A

foramen spinosum

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57
Q

what transmits accessory meningeal a?

A

foramen ovale

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58
Q

what transmits the superior ophthalamic vein?

A

superior orbital fissure

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59
Q

What is function of optic canal?

A

transmits: optic n. ophthalmic a.

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60
Q

What houses the sublingual gland?

A

Sublingual Fossa

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61
Q

Middle Superior alveolar n.

A

Sensory (trigeminal ganglion) Post-G Sym ( external carotid plexus) upper premolars S, Post-G S, Post-G Parap (pterygopalatine ganglion) maxillary sinus

62
Q

N. of Pterygoid Canal

A

Branch of greater petrosal (fascial n.) Post-G symp Pre-G para of pterygopalatine ganglion

63
Q

Branches of face for facial n.

A

Temporal zygomatic buccal marginal mandibular cervical

64
Q

What houses the submandibular gland?

A

Submandibular Fossa

65
Q

What is the function of the mandibular notch?

A

transmits nerve and artery of masseter muscle

66
Q

Mental Foramen

A

Transmits Mental N., A., and V.

67
Q

Optic N. Branches

A

CN 2 Carries visual sensory information from neural retina to the diencephalon and midbrain Optic Chiasm Optic Tract

68
Q

Mental N

A

Branch of inferior alveolar n. (sensory branch of meningeal n.) S (trigeminal ganglion), post G Sym (external carotid plexus) skin overlying chin, lower lip labial mucosa and gingiva

69
Q

Cervical branch

A

Branch of facial n. LMN (facial motor nucleus of pons) PostG Sym (external carotid plexus) platysma m.

70
Q

Lacrimal N. (Axons)

A

Lateral branch of Ophthalmic N. Sensory (trigeminal ganglion) Post-G Sym (Superior Cervical Ganglion/internal carotid plexus in cavernous sinus) Post-G Para (pterygopalatine ganglion via zygmatic n.)

71
Q

Petrotympanic Fissure

A

transmits chorda tympani n. anterior tympanic a.

72
Q

Deep Temporal N.

A

Muscular branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) LMN (trigeminal motor nucleus of pons) Temporalis m.

73
Q

what transmits maxillary n.?

A

foramen rotundum

74
Q

Inferior Ramus of Oculomotor N. (innervations)

A

Medial Rectus m. Inferior Rectus m. Inferior Oblique m. Post-G Para travel with short ciliary n. of Trigeminal N. to innervate ciliary body and constrictor m. of iris

75
Q

what transmits infraorbital a. n. and v?

A

infraorbital foramen

76
Q

Temporal branch

A

Branch of facial n. LMN (facial motor nucleus of pons) PostG Sym (external carotid plexus) frontalis m. orbicularis oculi m.

77
Q

What transmits the accessory n?

A

formane magnum Jugular Notch and foramen

78
Q

What transmits the vertebral a. and v?

A

Foramen magnum

79
Q

Anterior Ethmoidal Foramen function

A

Anterior Ethmoidal a. n. and v.

80
Q

Greater Palatine N.

A

Sensory (trigeminal ganglion) Taste (greater petrosal) Post-G Sym ( N of pterygoid canal) Post-G Parap (pterygopalatine ganglion) muscosa of nasal cavity (inferior concha), Hard palate and associated gingiva

81
Q

what transmits facial n.?

A

internal auditory meatus stylomastoid foramen

82
Q

Sphenopalatine foramen function

A

transmits sphenopalatine a and v. posterior nasal n.

83
Q

Function of carotid canal?

A

transmits internal carotid a. carotid n.

84
Q

Supratrochlear N. (axons)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus in cavernous sinus)

85
Q

Function of internal auditory metaus?

A

transmits: facial n. vestibulochlear n, Labryinthine a. and v.

86
Q

Greater palatine canal function

A

greater palatine n. a. v.

87
Q

Pharyngeal N.

A

Sensory (trigeminal ganglion) Post-G Sym ( N of pterygoid canal) Post-G Parap (pterygopalatine ganglion) Mucosa of nasal pharynx and auditory tube

88
Q

Zygomatic N.

A

Sensory (trigeminal ganglion) Post-G Sym ( external carotid plexus skin over zygomatic arch Post-G Parap (pterygopalatine ganglion) innervation of lacrimal gland

89
Q

what transmits internal jugular vein?

A

jugular forman

90
Q

what transmits vestibulochlear n?

A

internal auditory meatus

91
Q

what transmits chorda tympani n?

A

petrotympanic fissure

92
Q

Supraorbital N. (axons)

A

Sensory (trigeminal ganglion) Post-G Sym (Superior cervical ganglion/internal carotid plexus in cavernous sinus)

93
Q

what transmits the frontal n?

A

superior orbital fissure

94
Q

what houses carotid vein?

A

carotid groove

95
Q

Ophthalmic N. (innervation)

A

Skin of Forehead, upper lid, nose Cornea Mucos (nasal cavity) extra-ocular Muscles

96
Q

What test to do you do to test the jaw?

A

Jaw jerk

Mandibular N. of trigeminal

97
Q

Medial posterior superior nasal n.

A

Sensory (trigeminal ganglion) Post-G Sym ( N of pterygoid canal) Post-G Parap (pterygopalatine ganglion) muscosa of nasal septum anterior hard palate and associated gingiva

98
Q

Supraorbital N. (innervation)

A

skin overlying forehead, lid, scalp Muscosa: frontal sinus

99
Q

Abducens N

A

CN VI Sensory (ophthalmic n. in superior orbital fissure) post-G Sym (internal carotid plexus in cavernous sinus) LMN (abducens nucleus in pons) Lateral Rectus m.

100
Q

buccal branch

A

Branch of facial n. LMN (facial motor nucleus of pons) PostG Sym (external carotid plexus) buccinator depressor anguli oris levator anguli oris levator labii superioris zygmaticus major Nasalis obicularis oris

101
Q

Infraorbital foramen

A

transmits infraorbital a. n. v

102
Q

Superior Orbital Fissue

A

Transmits: 1) Superior ophthalmic v. 2) Lacrimal N. 3) frontal n. 4) trochlear n. 5) abductent n. 6) Oculomotor n. 7)nasocilliary n.

103
Q

what transmits lesser petrosal n.?

A

foramen ovale

104
Q

Posterior ethmoidal foramen function

A

posterior ethmoidal a. n. and v

105
Q

Auriculotemporal n.

A

Sensory branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) TMJ, external auditory meatus, skin of anterior ear S, Post-G Sym, Post-G Para (otic ganglion) Parotid gland

106
Q

Foramen ovale function

A

transmits: mandibular n. Lesser petrosal n. accessory meningeal a.

107
Q

what transmits glossopharyngeal n.?

A

Jugular foramen

108
Q

Supratrochlear N. (innervation)

A

skin overlying medial aspect of forehead, lid, scalp

109
Q

Foramen Magnum

A

Transmits: spinal cord vertebral a., v, accessory n.

110
Q

how do you test XI.?

A

Shoulder strug

111
Q

Superior Ramus of Oculomotor N. (innervations)

A

Superior Rectus m. Levator Palpebrae superioris m.

112
Q

what transmits optic n.?

A

optic canal

113
Q

Where does the ethmoidal a. v. and n go through?

A

Anterior Ethmoidal foramen

114
Q

What transmits the Mental N., A., and V.?

A

Mental Foramen

115
Q

Mandibular Foramen

A

Transmits the inferior alveolar n. a. and v.

116
Q

Infraorbital groove and canal

A

transmits infraorbital n. a. v.

117
Q

Infraorbital N. (branches and axons)

A

Middle superior alveolar n. , anterior superior alveolar n. Sensory (trigeminal ganglion) Post-G Sym ( external carotid plexus skin over upper lip, lateral cheek, lateral nose, lower lid Sensory, post-G sym Post-G Parap (pterygopalatine ganglion) mucosa of upper lip, labial gingival, maxillary sinus

118
Q

Hypoglossal Canal

A

transmits hypoglossal n.

119
Q

what houses internal carotid a.?

A

carotid groove

120
Q

what transmits ophthalamic a.?

A

optic canal

121
Q

Incisive Fossa function

A

transmits nasopalatine n. and a. greater palatine a.

122
Q

Zygomatic branch

A

Branch of facial n. LMN (facial motor nucleus of pons) PostG Sym (external carotid plexus) levator anguli oris levator labii superioris orbicularis occuli m. zygomaticus major

123
Q

Pterygoid Canal function

A

transmits nerve of the pterygoid canal

124
Q

what transmits vagus n.

A

Jugular foramen

125
Q

Stylomastoid foramen function

A

transmits Facial n.

126
Q

What do you do to test tounge reflex?

A

Gag reflex

S: Glossopharyngeal N.

Motor: vagus (see all the mucles contract

Tongue deviation:

hypoglossal N.

127
Q

Optic chiasm

A

anatomic site where nasal retinas cross the midline to the contralateral optic tract

128
Q

Inferior Ramus of Oculomotor N. (axons)

A

2 branches Muscular: Sensory (from ophthalmic n. in Superior orbital fissure) Post-G Sym (Superior cervical ganglion/internal carotid plexus in cavernous sinus) LMN (oculomotor nulcues in midbrain) Parasympathetic to ciliary ganglion PreG Para (Edinger-Westphal nucleus in midbrain)

129
Q

what transmits oculomotor nerve?

A

superior orbital fissure

130
Q

Marginal mandibular branch

A

Branch of facial n. LMN (facial motor nucleus of pons) PostG Sym (external carotid plexus) depressor anguli oris depressor labii inferioris mentalis orbicularis oris

131
Q

Lacrimal N. (innervation)

A

S/PostG: Skin over lateral aspect of upper lid and forehead Post-G Parap: Lacrimal Gland

132
Q

What transmits the spinal cord?

A

Foramen magnum

133
Q

Olfactory n. runs through

A

olfactory foramina

134
Q

Branches of stylomastoid foramen

A

N. to stylohyoid m. n. to posterior digastric m. Both LMN (facial motor nucleus of pons) Post-G Sym (external carotid plexus)

135
Q

what is the function for sulcus for transverse sinus?

A

houses transverse sinus

136
Q

Lesser Palatine N.

A

Sensory (trigeminal ganglion) Taste (greater petrosal) Post-G Sym ( N of pterygoid canal) Post-G Parap (pterygopalatine ganglion) Mucosa of oral and pharyngeal surfaces of soft palate

137
Q

Posterior superior alveolar N.

A

Sensory (trigeminal ganglion) Post-G Sym ( external carotid plexus) upper molars Sensory Post-G Sym mucosa of maxillary sinus and buccal gingiva

138
Q

what transmits hypoglossal n?

A

hypoglossal canal

139
Q

what transmits posterior nasal n.

A

sphenopalatine foramen

140
Q

What houses mylohyoid nerve?

A

Mylohyoid groove

141
Q

Masseteric n.

A

Muscular branch of mandibular n. S (trigeminal ganglion), post G Sym (external carotid plexus) LMN (trigeminal motor nucleus of pons) Masseter muscle

142
Q

What transmits greater palatine n. a. v.

A

greater palatine canal

143
Q

what is the function of the foramen spinosum?

A

transmits: middle meningeal a. meningeal recurrent branch of mandibular a.

144
Q

What transmits the inferior alveolar n. a and v?

A

Mandibular foramen

145
Q

Sensory branches of Mandibular N.

A

Long Buccal N. Auriculotemporal n. Lingual n. inferior alveolar n.

146
Q

Inferior alveolar n. (axons and branches)

A

Sensory branch of mandibular n. Mental n. N. to mylohyoid S (trigeminal ganglion), post G Sym (external carotid plexus) Lower teeth, adjacent buccal and labial gingiva

147
Q

Where does the tympanic plexus get post-g sym?

A

through carotid canal through foramina in carotid canal

148
Q

Deep petrosal N.

A

communicates with maxially branches in pterygopalatine fossa vis n. of pterygoid canal

149
Q

What post-G Symp go through cavernous sinus?

A

III, IV, V ophthalmic

V max and VI

150
Q

what CN gets post-G sym from external carotid plexus?

A

Mandibualr V, VII, IX, X, XII

151
Q

what CN get post-G Sym from the superior cervical ganglion just as it exits the skull via hypoglossal canal, stylomastoid foramen or jugular foramen?

A

VII, IX, X, XI, XII

Anatomy Head and Neck (11 decks)

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