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16 Cards in this Set

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identify the dermatome distribution of trigeminal nerve:
(see diagram)
identify the following structures:
a.
b.
c.
d.
e.
f.
g.
h.
a. trigeminal ganglion
b. maxillary nerve v2
c. foramen rotundum
d. pterygopalatine fossa
e. infraorbital foramen
f. foramen ovale
g. mandibular nerve v3
h. pterygopalatine ganlion
infratemporal fossa
identify this space:
what are the contents of the infratemporal fossa:
a.
b.
c.
d.
e.
a. Temporalis
b. Medial Pterygoid
c. Lateral Pterygoid
d. V3 Mandibular Nerve
e. Maxillary Artery
what are the 4 major sensory branches of v3 (mandibular branch of trigeminal):
1.
2.
3.
4.
1. Auriculotemporal
2. Buccal
3. Inferior Alveolar
4. Lingual
identify the labeled nerves:
(see figure)
what does auriculotemporal innervate:
Skin around the ear
what does lingual innervate:
anterior 2/3rds of tongue for general sense
what does chorda tympani innervate:
taste to ant. 2/3rds of tongue, and secretomotor to sublingual and submandibular glands.
what does inferior alveolar innervate:
sensory innervation to the lower teeth
what does mylohyoid innervate:
motor fibers to the mylohyoid and anterior belly of the digastric
identify the labeled structures:
(see figure)
identify the anatomical area in the red box and in the yellow box:
red=infratemporal fossa
yellow=pterygomaxillary fissure (leads to pterygopalatine fossa)
nerve supply to parotid gland comes from ... that hitch a ride with a branch of ...
parasympathetics from CN9
V3
Preganglionic parasympathetics leave CN 9 distal to the jugular foramen as the tympanic branch. Re-enters skull through jugular foramen forms a plexus in the middle ear, reappears in the middle cranial fossa as the ... that
lies lateral to the ... and exits thru foramen ovale. the
preganglionics synapse in the ...
lesser petrossal nerve
greater petrossal nerve
otic ganglion
... nerve originates from trunk of V3 splits around middle meningeal artery and contains postganglionics fibers from ... ganglion and distributes these fibers to parotid gland.
auriculotemporic
otic