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70 Cards in this Set
- Front
- Back
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what are the three main branches of the opthalmic branch of CN V?
Which are completely GSA? |
Lacrimal
Frontal Nasociliary ALL |
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what are the branches of the lacrimal branch of V1?
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there are no branches!
(lacrimal "lac"ks branches) |
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what are the branches of the frontal branch of V1?
Which are GSA? |
Supraorbital
Supratrochlear both are GSA |
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what are the branches of the nasociliary branch of V1?
WHich are GSA? |
Posterior ethmoidal
Anterior ethmoidal Infratrochlear (still above the midline of eye so branch off v1) Long ciliary Ant. ethmoidal and Infratrochlear |
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What are the five main branches of the maxillary branch of CN V? (V2)
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Posterior superior alveolar
Zygomatic Infraorbital Descending palatine Pterygopalatine |
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What are the branches of the Posterior Superior alveolar N?
What is it a branch of? |
There are no branches!
It is a branch off V2 |
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What are the branches of the Zygomatic N?
What is it a branch of? |
zygomaticotemporal
zygomaticofacial It is a branch off V2 |
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What are the branches of the Infraorbital N?
What is it a branch of? |
No branches from it
it is a branch off V2 |
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What are the branches of the Descending Palatine N?
What is it a branch of? |
Greater Palatine branch
Lesser palatine branches It is a branch off V2 |
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What branches of V2 are GSA?
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zygomaticotemporal and zygomaticofacial
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WHat are the branches of the pterygopalatine N (sphenopalatine N)?
What is it a branch of? |
Nasopalatine
Posterior Nasal Pharyngeal It is a branch off V2 |
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What are the four main branches off V3?
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Auriculotemporal
Inferior alveolar Lingual Long buccal |
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What are the branches off Auriculotemporal N?
What is it a branch of? |
No branches
Branch of V3 |
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What are the branches off Inferior alveolar N?
What is it a branch of? |
Mental N
Mylohyoid N Branch of V3 |
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What are the branches off Lingual N?
What is it a branch of? What joins it on its way to the tongue? |
No branches
Branch of V3 Chorda tympani of CN VII (SVA and GVE) |
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What are the branches of Long buccal N?
What is it a branch of? What is it NOT a branch of? |
No branches
Branch of V3 Not a branch of VII |
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where does V1 leave the cranial vault?
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Superior orbital Fissure
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Where does V2 leave the cranial vault?
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Foramen Rotundum
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Where does V3 leave the cranial vault?
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Foramen Ovale
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What are the seven nerves that go through the Superior Orbital fissure?
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inferior branch ofOcculomotor (CN III)
superior branch of occulomotor Trochlear (CN IV) Lacrimal N. (br. of V1) Frontal N. (br. of V1) Nasociliary N (br. V1) Abducent (VI) |
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What structures go through the pterygoid canal?
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Deep petrosal N.
Greater petrosal N. (the two come together to form the nerve of the pterygoid canal) Artery of pterygoid canal (vidian) |
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what is the highest sympathetic ganglion in the body?
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superior Cervical ganglion
(all postganglionic sympathetic of head and neck) |
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What nerve innervates the dilator papillae?
WHat is it a branch of? |
postganglionic sympathetic nerve fibers from superior cervical ganglion traveling on
Long ciliary N. Branch of nasociliary which is branch of V1 |
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What nerve innervates the Superior Oblique muscle of the eye?
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IV
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What nerve innervates the Lateral Rectus muscle of the eye?
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VI
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What nerve innervates all but two external muscles of the eye?
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III (occulomotor)
SO4 LR6 AO3 (all others = III) |
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what makes the veins of the head unique from other parts of the body?
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no valves!
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WHat is more medial, the supraorbital N or the supratrochlear N?
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Supratrochlear
(bc trochlea of eye is found on the medial side) |
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what nerve of CN V goes past the midline of the scalp to innervate some of the posterior part of scalp?
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supraorbital
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What are the boundaries of the cutaneous domains of V1 V2 and V3?
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V1 = scalp to upper eyelid
V2 = lower eyelid to upper lip V3 = Lower lip and down |
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What is the greater petrosal n a branch of?
what does it join up with? |
branch of Facial
Travels with branches of maxillary N (V2) |
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the geniculate ganglia is made of what nerve's fibers?
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VII (facial)
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Where does the facial nerve leave the cranial vault?
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Stylomastoid foramen?
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Where does the Chorda tympani leave the cranial vault?
What is it a branch of? |
Petrotympanic fissure
Branch of VII |
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What are the branches of the facial nerve?
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Auricular
Temporal Zygomatic Buccal (A Testy Zebra Bit My Cousin) Mandibular Cervical |
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Where are the 1st order cell bodies of the facial nerve?
2nd order? |
Geniculate nucleus
mesencephalic nucleus of V ("face" it, "gen" first, "me" second) |
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What type of fibers does the Facial nerve carry?
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GSA (Proprioception)
SVE (facial muscles) GVE (glands: submandibular, sublingual, etc.) SVA (taste ant. 2/3 tongue) |
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WHat nerve innervates the skin over the gonion (corner of mandible)?
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Great Auricular N
(cervicospinal nerve) |
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Generally, what are the origins and insertions of hte facial muslces?
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Origin = bony
Insertion = Soft tissue |
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which has a more medial insertion, the zygomaticus major or minor?
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Zygomaticus minor is more medial and more superior
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What is always in front, the artery or the vein?
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The artery is always first
(a is always before v in alphabet) |
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What are the two main arteries of the superficial face?
What are they branches of? |
Facial artery
Superficial Temporal Artery branches of external carotid artery |
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what are the two main veins of the superficial face?
What do they drain into? |
Facial V (with labial veins)
Superficial temporal V Drain into external jugular |
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What is the major artery of the Infratemporal fossa?
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Maxillary artery and its branches
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what is the major nerve of the Infratemporal fossa?
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V3 (Mandibular Nerve) and its branches
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What is the superior boundary of the Infratemporal fossa?
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Infratemporal surface of greater wing of sphenoid
Infratemporal surface of the temporal bones |
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What is the medial boundary of the infratemporal fossa?
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lateral side of lateral pterygoid plate
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What is the anterior boundary of the infratemporal fossa?
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Posterior surface of Maxilla
Buccinator |
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What is the lateral boundary of the infratemporal fossa?
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inside of Ramus of mandible with coronoid process and condyle
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What is the posterior boundary of the infratemporal fossa?
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Parotid gland
Styloid muscles Internal Carotid artery |
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WHat is the inferior boundary of the infratemporal fossa
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lower border of mandible
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what is the doorway between the Infratemporal fossa and the pterygopalatine fossa?
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Pterygomaxillary fissure
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What is the "window" into the Infratemporal fossa?
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Mandibular notch
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What is the origin of the Temporalis m?
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Inferior temporal line (of Parietal bone)
Superior temporal line is where its fascia attaches |
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What is the insertion of the temporalis m?
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temporal crest of coronoid process
anterior border of ramus |
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what is so special about the temporalis compared to the other muscles of mastication?
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it is the only one that can retrude the mandible
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what nerve innervates the temporalis m?
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the Temporal n. branch of V3
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WHat is origin of masseter muscle?
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Superficial part - anterior 2/3 of lower border of zygomatic arch
Deep part - medial surface of zygomatic arch |
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What is insertion of masseter muscle?
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lateral surface of ramus and coronoid process
angle of mandible |
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What nerve innervates the masseter m?
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the masseteric n. branch of V3
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What is origin of Medial pterygoid?
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medial surface of lateral pterygoid plate
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What is insertion of M. Pterygoid?
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Pterygoid tuberosity on the posterior and medial part of the ramus of the mandible
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Is the origin or insertion more medial of the m. pterygoid m?
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origin is more medial (ramus is more lateral than sphenoid)
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What innervates the m. pterygoid m?
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Pterygoid n. branch of V3
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What is origin of lateral pterygoid m?
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superior head - infratemporal surface of sphenoid greater wing
inferior head - lateral surface of lateral pterygoid plate |
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What is insertion of lateral pterygoid m?
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anterior portion of condylar neck (pterygoid fovea)
TMJ capsule and meniscus |
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What innervates the lateral pterygoid m?
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Pterygoid n. branch of V3
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What is the major muscle for lateral excursions?
What other muscle helps? |
Lateral pterygoid
Medial pterygoid |
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What nerve joins up with the lingual n. branch of V3 in the infratemporal fossa?
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Chorda tympani of VII
(carrying GVE and SVA fibers) |
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what two structures pass through the petrotympanic fissure?
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1. Chorda Tympani
2. Anterior Tympanic a. (branch of maxillary a.) |
