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95 terms

Nerves & More- CD

What cran nerve transmits smell from the nasal mucosa to the brain (afferent)
olfactory I
Where does cranial nerve I (olfactory) enter
cribiform plate of the ethmoid bone
What cranial nerve provides sight from the retina to the brain
optic nerve II
The optic nerve II enters through the
optic canal
Which one of the cranial nerves that deal with the eye deals with proproception, but does NOT have parasympathetic fibers
cranial nerve IV- trochlear
What cranial nerve innervates muscles of matisfication and other cranial muscles (efferent)
trigeminal V
What cranial nerve innervates teeth, tongue, oral cavity, and most of the skin of the face and head (afferent)
trigeminal V
Name the largest cranial nerve that has two roots
trigeminal (motor and sensory)
Name the 3 divisions of the sensory part of the trigeminal
opthalamic V1
maxillary V2
mandibular V3
Which division of the trigeminal gives sensations to the upper face and scalp and enters through the superior orbital fissure of the sphenoid bone
opthalamic v1
Which division of the trigeminal gives sensation to the middle and lower face and enters through the foramen rotudum
maxillary v2
Which division of the trigeminal gives sensation to middle and lower face and passes through the skull by way of the foramen ovale. This division also has a motor root (only one of the nerve) and
mandibular v3
What is the first nerve that is often affected by infection to the sinus
Abducens VI
-efferent nerve to muscle that moves eyeball, similar to oculomotor and trochlear, exits superior orbital fissure, has a intercranial course-rather than lying wall of cavernous sinus it runs through it close to carotid artery
What cranial nerve innervates muscles of facial expression
facial nerve VII
What cranial nerve innervates lacrimal gland (pterygopalatine region), submandibular and sublingual (submandibular ganglion)
facial nerve VII
Which cranial nerve is afferent and is a tiny patch of skin behind the ear and gives taste sensation and the body of the tongue (anterior 2/3 ) chorda tympani
facial nerve VII
Which cranial nerve leaves the cranial cavity by passing through the internal acoustic meatus, which leads to facial canal inside the temporal bone. Exit through stylomastoid foramen in temporal bone
facial nerve VII
Which cranial nerve innervates hearing and balance, inner ear to brain, enter through internal acoustic meatus, supplies 2 major portions of inner ear
vestibulcochlear nerve VIII
The vestibulocochlear nerve, 8, supplies what 2 major portions of the inner ear
semicular canals-balance
Which cranial nerve innervates taste sensation for base of the tongue (post 1/3), after what landmark on the tongue
glossopharyngeal IX
-circumvalle papilla
Which cranial nerve is efferent for the pharnygeal muscle, stylopharyngeal muscle, pregang gland parasympathetic innervation for salivary gland (relaying the otic gang)
glossopharyngeal IX
Which cranial nerve is afferent for the pharynx and taste sensation for base of tongue
glossopharyngeal IX
Which cranial nerve has a tympanic branch that contain sensory fibers for the middle ear and preganglion parasympathetic fibers for the paratid gland arise here and reenters skull
glossopharyngeal IX
The glossopharyngeal nerve supplies the ear and parasympathetic fibers leave skull through foramen ? of sphenoid bone as the ?? nerve. These pregang fibers end in otic gang- locations near medial surface of mand nerve v3 of trigeminal just inf of foramen ovale
lesser petrosal nerve
Name the inferior branch of a cranial nerve that gives bld supply the carotid artery, pharynx, base of tongue (afferent), and the stylopharyngeal muscle
glossopharyngeal nerve IX
Is the vagus nerve efferent or afferent
Which cranial nerve innervates muscles of soft palate, pharynx, larynx, and parasympathetic fibers to many organs in thorax and abdomen including thymus gland, stomach, and heart
vagus X-efferent part
Name the cranial nerve that its afferent portion provides taste for epiglottis and skin around the ear
vagus X
The vagus nerve passes through the skull by ? foramen between temp and occipital
What cranial nerve is efferent for the trapezius, SCM, pharynx, and soft palate
accessory nerve XI
-exits through jugular foramen
Which cranial nerve is only a partial cranial nerve and consist of 2 roots, the brain and spinal cord
accessory nerve XI
Which cranial nerve is efferent for the muscles of the tongue, extrinsic and intrinsic
hypoglossal nerve XII
-exits through skull through the hypoglossal canal in the occipital bone
Name the 2 nerves that affect the head and neck
facial and trigeminal
Which trunk of the trigeminal is thinner
Which trunk of the tri is thicker
The motor and sensory root is a ? nerve trunk and they are closely adapted
What divisions of the tri are motor/sensory
op & max-sensory
mand-sensory and motor
Which nerve has a bulge on the sensory root (gang/nerve) and is located in the anterior surface of petrous portion of the temp bone
trigeminal V
The ? has a sensory and a motor root and it runs together thus carries both afferent and efferent nerves
mandibular V3
What does the efferent portion of the trigeminal innvervate
muscles of matistification, and it exits the foramen ovale of sphenoid bone
Name the 3 major nerves that arise from the opthalamic nerve of the trigeminal V1
Which nerve is lateral to the supratrochlear nerve
supraorbital nerve
(these are branches of frontal nerve)
Name the afferent nerve that innervates the lateral portion of the upper eyelid, conjunctiva, and the lacrimal gland
lacriminal nerve (part of V1)
The infratrochlear nerve, cillary nerve, anterior ethmodial nerve, external nasal nerve, and the internal nasal nerve make up the 5 branches of the
nasocillary nerve (part of V1)
Name the nerve that is afferent and innervates
-maxilla and overlying skin
-max sinus
-nasal cavity
-portions of dura mater
maxillary branch of trigeminal V2
What is the maxillary nerve V2 of trigeminals largest contributor
infraorbital nerve
The zygomatic, anterior, middle, posterior superior alveolar nerves, the greater and lesser palantine nerves, and the nasopalatine nerves are tributaries of the ? or ?
infraorbital nerve or max nerve
The anterior and middle superior alveolar nerve come directly from the ? nerve and the posterior superior alveolar nerve come straight from the ? nerve, then these form a loop to innvervate all of the maxilla
infraorbital (asa, msa)
maxillary (psa)
Fibers from the post gang are distributed to various tissues such as the ? salivary glands by nerves of what branch of tri
Sensory fibers do not ? in the gang
What nerve is post parasym fibers form the lacrimal gland to lacrimal nerve
zygomatic nerve (branch of V2)
What is the small, afferent nerve for the skin of the cheek
zygomaticfacial nerve (branch of zygomatic- from v2 of tri)
Which nerve is afferent for the skin of the temp region
zygomatictemporal (branch of zygomatic nerve-from v2)
Name the anterior palatine nerve (afferent) that innervates the posterior hard palate, and posterior lingual gingiva
greater palatine nerve
(branch of V2 of trig)
What innervates soft palate and palatine tonsillar tissues
lesser palatine nerve (branch of V2 of trig)
Which nerve is an afferent nerve for the anterior hard palate and lingual gingiva for maxillary anterior teeth and nasal septal tissues
nasopalatine nerve (branch of V2 of trig)
What is the largest branch of the trigeminal
mandibular V3
What nerve is afferent and innervates the skin of the cheek
buccal nerve v3 branch
The buccal nerve is afferent for the skin of the ?, buccal mucous membrane, and the buccal ? of mandibular ? teeth, also name the location of this nerve. Then it travels posterior in cheek deep to the massester
-surface of buccinator muscle

*branch of V3
Name the branch of v3 that is afferent for the body of the tongue
lingual nerve
Which nerve is a branch of v3 and is joined by dental branches and interdental and interradicular branches from mandibular posterior teeth, forming a dental plexus or nerve network in the region
inferior alveolar nerve
Where does the inferior alveolar nerve exit (v3)
mandibular foramen
Inferior alveolar neve is afferent innervation for the ? teeth
Name is branch of v3 that has afferent nerve fibers for taste sensation in palate
greater petrosal nerve
Name the nerve that is parasympathetic efferent nerve for submandibular and sublingual salivary glands, and is afferent nerve for the taste sensation for the body of the tongue
chorda tympani (7th cranial nerve-facial)

-in the submandibular triangle the chorda tympani nerve, appearing as a portion of the ling nerve, has communication with submand gang which supplies the parasym efferent innervation
The afferent portion of the chorda tympani is associated with the ? cranial nerve and what else
anterior 2/3 portion of the tongue, the body
The parasympathetic efferent nerve portion of the chorda tympani innervates what glands
submandibular and sublingual salivary glands
Name the branch of the facial nerve that innervates...
-muscles anterior to ear
-frontal belly of epicranial muscle
-superior portion of orbicularis oculi mus
-corrugator supercilli mus
temp branch of facial nerve
Name the branch of the facial that innervates...
-inferior portion of orbicularis oculi
-zygomatic major and minor
zygomatic branch of facial nerve
Name the branch of the facial that innervates...
-muscles of upper lip
-orbicularis oris
buccal branch of facial nerve
Which branch of the facial innervates the muscles of lower lip and mentalis muscle
marginal mandibular branch of facial nerve
Which branch would the platysma muscle be innervated by
cervical branch of the facial nerve
The mylohyoid nerve is a branch of what nerve
trigeminal nerve
What branch of v3 is efferent nerve to mylohyoid muscle and the anterior belly of the diagastric muscle
mylohyoid nerve of v3 of trigeminal nerve
The posterior belly of the digastric muscle is innervated by what nerve
The digastric muscles ant and post are innervated by what 2 nerves
trigeminal and facial
What nerve is afferent for the mandibular premolar teeth, anterior teeth that originate in pulp tissie and exits through apical foramen joins with interdental branches from the surrounding periodontum, forming a dental plexus region
incisive nerve (branch of v3-mand of trig)
What nerve is afferent for mand teeth
inferior alveolar nerve (v3)
The anterior trunk of v3 is mostly motor except for
buccal nerve which is sensory
The posterior trunk of v3 is mostly sensory except for
mylohyoid nerve which is motor
Which muscle dilates the pharynx, and which nerve is it innervated by
glossopharyngeal IX
Which muscle constrict the pharynx
palatopharyngeal and superior, middle, and inferior muscles
The pharynx muscles and the soft palate are innervated by which cranial nerves except for which 2 and name nerve they are innervated by
10 and 11 (vagus and accessory)
1) tensor veli palanti-v3 of trigeminal-auditory tube
2) stylopharyngeal 9-glossopharyngeal
What duct is the submandibular gland excreted by (exocrine)
whartons duct
Name the salivary gland that secretes only serous fluid and are located on the back of the tongue after the circumvalle papilla
von Ebners salivary glands
Which cranial nerve innervates the soft palate and the pharynx
vagus X
The lacrimal, submandibular, sublingual, and minor salivary glands are efferent and innervated by what cranial nerve
facial nerve VII
The parotid gland is efferent and innervated by what cranial nerve
glossopharyngeal IX
The neck, soft palate, and pharnyx are efferent and innervated by which cranial nerve
accessory nerve XI
What is part of the respiratory and the digestive tract
are muscles of the
soft palate
Give details about the TMJ opening and closing
condyle and disc
Give details about TMJ protruding and retruding
disc and articulating eminence
What is it called when the disc comes infront of the condyle. acute episode of tmj joint disorder in which both joints become dislocated due to excess protrusion and depression
Which cells undergo mitosis
basal cells