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76 Cards in this Set
- Front
- Back
What are the branches of the opthalmic division
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NFL:
Nasociliary Frontal Lacrimal |
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The opthalmic division has 3 main branches. (NFL) what are the sub branches of the nasociliary branch, and what are its target organs
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Nasociliary:
sub-branches (CIA) ciliary- eyeball anterior/posterior ethmoidal- frontal, ethmoid, and sphenoid sinuses infratochlear- medial eyelids and side of nose |
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the opthalmic nerve has 3branches (NFL) what are the sub branches of the Frontal nerve and what are its target organs
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Frontal:
Supratrochlear Supraorbital Skin of upper eyelids and scalp |
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Lacrimal nerve is a branch of the Opthalmic division. What are the target organs of the lacrimal nerve
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lacrimal gland, conjunctiva and adjacent skin
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What are the branches of the maxillary nerve
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(PINGLZ):
PSA nerve Infraorbital nerve Nasopalatine nerve Greater palatine nerve Lesser palatine nerve Zygomatic nerve |
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What are the target organs of the PSA nerve
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target organs of PSA:
max molar teeth EXCEPT mesiobuccal root of the first molar surrounding gingiva |
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The infraorbital nerve is a branch of the maxillary nerve. what are the sub branches of the infraorbital nerve and what are their target organs
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Infraorbital nerve: (PAM)
Palpebral, nasal, labial nerve- lower eyelid, lip, nose and cheek ASA (anterior superior alveolar)- maxillary incisor teeth MSA (middle superior alveolar)- premolar and mesiobuccal root of first molar |
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nasoplatine nerve is a branch of what division. what are its target organ.
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nasopalatine nerve is a branch of the maxillary division.
its target organs are: nasal septum and gingiva or maxillary incisors |
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greater palatine nerve is a branch of what division? what are its target organs
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greater palatine nerve is a branch of maxillary division.
its target organs are: hard palate and gingiva of adjacent teeth |
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lesser palatine nerve is a branch of what division? what are its target organs
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lesser palatine nerve is a branch of the maxillary division.
its target organs are: soft palate and uvula |
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zygomatic nerve is a branch of what division. what are its target organs
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zygomatic nerve is a branch of the maxillary division
its target organs are: skin over the cheek and protions of the temporal region |
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what are the branches of the mandibular nerve
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Mandibular nerve branches: (ALLI)
Auriculotemporal nerve long buccal nerve lingual nerve inferior alveolar nerve |
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auriculotemporal nerve is from what branch?
is it sensory or motor? what are its target organs |
from the mandibular branch
sensory ear, temporal skin, parotid gland, TMJ |
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long buccal nerve is from what branch?
is it sensory or motor? what are its target organs? |
mandibular branch
sensory skin of cheek wall, buccal mucosa, gingiva of mand molars |
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lingual nerve is from what branch?
sensory or motor target organs |
mandibular branch
sensory anterior 2/3rds tongue, mucosa of floor of mouth, lingual mandibular gingiva, submandibular and sublingual glands |
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inferior alveolar nerve is from what branch
what are the inferior alveolar nerves sub branches |
from mandibular branch
sub branches are: (IMM) incisive nerve mental nerve mylohyoid muscle nerve |
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incisive nerve branches from what mandibular branch
sensory or motor target organs |
branches from inferior alveolar nerve
sensory mandibular incisors |
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mental nerve branches from what mandibular branch
sensory or motor target organs |
inferior alveolar
sensory mucosa and skin of lower lip and chin |
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nerve to mylohyoid muscle branches from what V3 branch
sensory or motor target organs |
inferoior alveolar
motor mylohyoid and anterior belly of digastric muscles |
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what provides motor innervation to muscles of mastication
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anterior division of mandibular branch V3
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Where are the nerve cell bodies of the MOTOR NEURONS located
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motor nucleus of V
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What do first order neurons carry?
Where are their cell bodies located? |
1st order neurons carry general sensation
(touch, pain , temp) located in TRIGEMINAL GANGLION |
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where do the proprioceptive fibers originate
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mesencephalic nucleus of V
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Why is mesencephalic nucleus of V considered a "misplaced" dorsal root ganglion
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only nucleus in CNS thast has 1st order AFFERENT neurons
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The divisions of the trigeminal nerve go through the ______ ganglion before entering the ______
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trigeminal; pons
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What travels alongside the mandibular deivision
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motor root of V
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What are the 4 parasympathetic ganglia? They contain nerve cell bodies of _______ neurons?
Which one is associated with what division |
Ciliary- opthalmic
Pterygopalatine- maxillary Otic and Submandibular- mandibular contain nerve cell bodies of postganglionic neurons |
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where does the opthalmic nerve enter?
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superior orbital fissure
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the supraorbital nerve is a sub branch of the _____ nerve.
what does it pass through to reach outer surface of the skull? What does it supply? |
frontal nerve
supraorbital foramen supplies: skin of upper lid forehead anterior scalp mucous membrane of frontal sinus |
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what does the supratrochlear branch supply.
where does it branch from |
supplies:
skin of upper eyelid and skin of lower and medial part of forehead branches from the frontal nerve, of the opthalmic division |
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what branch does the ciliary ganglion communicate with?
what type of fibers does it contain? |
long root (sensory root) of the nasociliary branch
afferent |
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what type of neurons does the ciliary ganglion contain
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postganglionic parasympathetic
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where do the preganglionic fibers of the nasociliary/opthalmic nerve come from
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oculomotor nerve
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the long root nerve fibers pass through the ganglion (with or without) synapse and exit the short ciliary nerves to supply the ___,_____,____
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without
ciliary body, iris, cornea |
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the short ciliary nerves also contain postganglionic (efferent or afferent) nerve fibers that supply _____,_____
as well as postganglionic sympathetic fibers from the ______ ganglion to what muscle |
efferent
shincter pupillae and ciliary muscles (cause rounding shape of lens) superior cervical ganglion dilator pupillae muscle |
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where do the long ciliary nerves enter?
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they peirce the posterior surface of the sclera to supply AFFERENT fibers to iris and cornea
instead of entering through ciliary ganglion |
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what does infratrochlear nerve of the nasocilliary branch supply
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afferent fibers to skin of medial parts of eyelids, side of nose
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anterior and posterior ethmoidal nerves of the nasocilliary branch provide afferent fibers to ___
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frontal, sphenoidal,ethmoidal sinuses
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external nasal branches of the anterior ethmoidal supply
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skin on surface of the nose
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do you hate the trigeminal nerve too?
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yes.
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where does the maxillary division leave the cranial cavity
where does it enter |
the foramen rotundum
the pterygopalatine fossa |
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where do the small branches of maxillary nerve start
what do they connect with |
small branches of maxillary nerve start in the pteryogpalatine fossa
connect with the pterygopalatine ganglion |
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what does the pterygopalatine ganglion cause to secrete
is it (pre or post)ganglionic, (para)or sympathetic |
lacrimal glands (tears)
nasal cavity, palate, nasopharynx, paranasal sinuses postganglionic, parasympathetic |
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pregranglionic fibers of the maxillary division are derived from where
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facial nerve, cn VII
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how does the maxillary nerve reach the orbit
when does it become the infraorbital nerve where does it terminate |
leaves pterygopalatine fossa laterally through pterygomaxillary fissure
travels along roof of infratemporal fossa reaches orbit through inferior orbital fissure travels through inferior orbital goorve on floor of orbit it becomes infraorbital nerve terminates on surface of face by exiting through infraorbital foramen |
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what doe the maxillary terminal cutaneous branches supply
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skin of lower eyelid, cheek, upper lip
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what are the branches of the maxillary nerve
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branches of maxillary nerve (PINGZ)
PSA infraorbital nasopalatine greater palatine lesser palatine zygomatic |
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where do the pterygopalatine bracnhes form?
where do they go? synapse? what does the pterygopalatine ganglion contain? |
forms in pterygopalatine fossa
passes through pterygopalatine ganglion without synapse branches are afferent ganglion contain postganglionic parasympathetic neurons |
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where does the greater palatine nerve terminate
what does it supply |
incisive foramen
supplies mucosa of hard palate |
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what does lesser palatine supply
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supplies mucosa of the soft palate
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nasopalatine supplies what
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nasal septum and gingiva of max incisors
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zygomatic carries two types of fibers. what are they
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postganglionic fibers from pterygopalatine ganglion (supply lacrimal gland)
afferent fibers that supply skin over zygomatic arch and temporal region (zygomatico-facial and zygomaticotemporal) |
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where does the PSA enter
where does it enter the bone |
infraorbital fissure
posterior superior alveolar foramina |
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what does psa supply
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maxillary molar teeth except mesiobuccal root of the first molar, surrounding gingiva
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what does the ASA supply
what is it a branch of |
incisors canines and surround gingiva, also maxillary sinus
infraorbital nerve |
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waht does msa supply
what is it a branch of |
maxillary premolars and mesiobuccal root of first molar.
infraorbital nerve |
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what does the infraorbital nerve terminate
what does that supply |
small cutaneous branches
supplyl external nose, lower eyelid and upper lip |
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why is the mandibular division special
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it contains motor fibers to muscles of mastication
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mandibular division has 2 parasympathetic ganglia, ___ and _____
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otic and submandibular ganglions
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where does the mandibular nerve exit the cranial cavity
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foramen ovale
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where does the mandibular nerve receive its postganglion parasympathetic fibers from
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otic ganglion, just outside the foramen
otic ganglion lies next to the nerve |
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mandibular nerve preganglionic fibers come from where
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glossopharyngeal nerve CN IX
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where do postganglionic fibers travel to
how do they get there what does that cause |
travel to parotid gland
by auriculotemporal nerve cause secretion of parotid gland |
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what does auriculotemporal nerva supply
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general sensation to skin over parotid gland and temporal region, more importantly TMJ
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upon exitin skull, auriculotemp divides into anterior and posterior divisions. anterior is mainly (motor or sensory) and supplies what
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motor
supplies muscles of mastication (temporalise pterygoids masseter) mylohyoid, anterior belly digastric, tensor veli paltini |
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where does the long buccal nerve arise from
what does it supply |
anterior division
sensory skin of cheek wall and buccal mucosa |
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posterior division of auriculotemp divides into ___ and ___
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lingual and inferior alveolar nerves
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what does the lingual nerve innervate
what fiber types are there |
anterior 2/3rds of ongue
3 fiber types general sensory special sensation (taste) preganglionic parasympathetic fibers |
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where are the taste and preganglionic fibers of the tongue derived from and how do they get there
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facial nerve
chorda tympani nerve |
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where are fibers for general sensation of tongue from
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trigeminal nerve
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where do preganglionic fibers of the tongue synapse
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submandibular ganglion thats attached to the lingual nerve
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what do the postganglionic efferent fibers of the tongue do
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leave the ganglino to supply the submandibular and sublingual salivary glands
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what does the mylohyoid muscle nerve supply and what does it branch from
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supplies
motor fibers supply mylohyoid muscle and anterior belly of digastric |
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incisive nerve branches from where and supplies what
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inferior alveolar nerve of mandibular branch
supplies sensory to mandibular incisors |
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inferior alveolar give off dental branches which supply what
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mand molar and premolar teeth and adjacent gingiva
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mental nerve supplies what
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skin of chin and lip, mucosa of lower lip
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