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96 Cards in this Set
- Front
- Back
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3 planes of movement of the TMJ?
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protrusion/retrusion
superior/inferior medial/lateral |
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What makes up the lateral wall of the orbit?
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zygomatic bone
sphenoid bone |
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What makes up the floor of the orbit?
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zygomatic bone
maxilla |
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Which actions allow wide opening of the jaw?
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protraction and depression
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What makes up the medial and lateral corners of the eye?
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medial and lateral palpebral commissures
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Most medial structure of the eye?
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lacrimal caruncle
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What makes up the medial orbital wall?
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lacrimal bone
ethmoid bone maxilla |
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What makes up the roof of the orbit?
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frontal bone
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Origin of masseter?
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zygomatic arch
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Insertion of masseter?
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lateral surface of ramus
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What covers the sclera?
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bulbar conjunctiva
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What covers the inside of the eyelid?
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palpebral conjunctiva
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Fx of the lacrimal puncta?
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to collect tears and drain into nasolacrimal duct
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What is the smallest branch from the ophthalmic nerve?
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lacrimal nerve
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Lacrimal nerve sympathetic and parasympathetic fx?
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symp- secrete tears
parasymp- produce tears |
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2 parts of the fibrous layer of the eye
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sclera
cornea |
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2 parts of the vascular layer of the eye
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choroid
retina |
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What artery supplies the retina?
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central retinal artery from the ophthalmic artery
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Origin of the superficial head of medial pterygoid?
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tuberosity of maxilla
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Origin of the deep head of the medial pterygoid?
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medial surface of the lateral pterygoid plate
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What changes the shape of the lens?
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ciliary body
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Insertion of medial pterygoid?
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medial surface of ramus, below mandibular foramen
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Action of medial pterygoid?
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elevate mandible
protrude mandible |
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What muscle does retraction of mandible?
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posterior part of temporalis
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What muscles do protraction of the mandible?
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masseter
lateral pterygoid (superior head) both medial pterygoid heads |
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What depresses the mandible?
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lateral pterygoid (inferior head)
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What terminates into the lateral geniculate body?
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Optic tract
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the mandibular condyle sits in the what?
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glenoid fossa/mandibular fossa
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What nerves are in the infratemporal fossa?
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facial nerve
V3 glossopharyngeal nerve |
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What do you lose with a lesion of the optic nerve?
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vision in that eye
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What nerve hitches a ride on the lingual nerve to do taste of anterior 2/3 of tongue?
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chorda tympani nerve (br. of facial)
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Buccal nerve is sensory to what?
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cheek, gums of 2nd and 3rd molar
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What nerve is sensory to all the teeth?
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inferior alveolar nerve
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Lesion of the optic chiasm produces?
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tunnel vision
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What makes your mouth water?
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otic ganglion
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Lesion of optic tract produces what?
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one visual field
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The second section of the maxillary artery contains?
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medial and lateral pterygoid aa.
deep temporal aa. |
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The third section of the maxillary artery contains?
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infraorbital artery
alveolar arteries |
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V3 exits what foramen?
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ovale
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What parts of the temporal bone contribute to the TMJ?
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articular tubercle
postglenoid tubercle glenoid/mandibular fossa |
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Ophthalmic artery is a branch of?
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Internal carotid artery
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Insertion of temporalis?
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coronoid process
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Muscles of mastication?
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masseter
temporalis medial and lateral pterygoids |
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2 subgroups of somatic sensory nerves
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exteroreceptive
proprioceptive |
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Examples of exteroreceptors
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touch, pain, pressure, temperature
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Example of somatic motor nerve
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alpha motor neuron
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2 subgroups of visceral sensory nerves
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conscious
unconscious |
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Examples of conscious visceral sensation
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hunger, nausea
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Examples of unconscious visceral sensation
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parasympathetic nerve fibers
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Examples of visceral motor innervation
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smooth muscles, glands/secretions, respiratory system
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Special somatic senses
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smell, sight, hearing, balance
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Special visceral sense
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taste
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Special motor (branchiomeric) region and cranial nerves
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face and throat
CN 5, 7, 9, 10, 11 |
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Sensory only nerves
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1, 2, 8
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Motor only nerves
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3, 4, 6, 11, 12
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Mixed nerves
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5, 7, 9, 10
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Glossopharyngeal nerve does what?
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motor to stylopharyngeus
sensory to post 1/3 tongue, oropharynx, middle ear taste from post 1/3 tongue visceral sensory to carotid body and sinus |
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Vagus nerve does what?
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sensory for larynx and trachea
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2 branches of Vagus n.
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superior laryngeal n.
recurrent laryngeal n. |
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Hypoglossal n. does what?
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motor to all tongue except palatoglossus
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Stern's rules
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1) all tensor mm. = CN V3
2) Mm. of palate = CN X except tensor veli palatini 3) Mm. of tongue = CN XII except palatoglossus |
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Which part of the outer ear is not made up of cartilage?
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lobule, mostly fat and vessels
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Blood supply to lobule
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posterior auricular a.
superficial temporal a. |
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Roof of the middle ear
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tegmental wall
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Floor of the middle ear
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jugular wall (temporal bone)
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Lateral wall of middle ear
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membranous wall
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Medial wall of middle ear
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Labyrinthine wall
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Posterior wall of middle ear
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mastoid wall
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Anterior wall of middle ear
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carotid wall
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Tympanic nerve is a branch of what?
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CN IX
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Ophthalmic artery branches into what?
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lacrimal a.
central retinal a. ciliary aa. |
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Superior ophthalmic vein drains into what?
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cavernous sinus
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Inferior ophthalmic vein drains into what?
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pterygoid plexus
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All rectus muscles (except lateral) are innervated by what?
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CN III
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Superior oblique is innervated by?
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CN IV
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Inferior oblique is innervated by?
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CN III
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Lateral rectus is innervated by?
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CN VI
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Origin of inferior oblique
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maxilla, inferior ridge
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Insertion of inferior oblique
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near lateral rectus
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Dilator pupillae--symp or para?
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sympathetic
slow to respond |
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Constrictor pupillae--symp or para?
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parasympathetic
quick to respond |
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Fx of iris?
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increase or decrease the aperature (pupil)
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Fx of ciliary body?
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focus the lense
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Buccal nerve is sensory to what
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cheek and gums of 2nd and 3rd molar
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Lingual nerve is sensory to what
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tongue, floor of mouth, gums up to the incisors
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Inferior alveolar nerve is sensory to what
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teeth, gums of the incisors
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What nerve is special sensory to the anterior 1/3 of the tongue?
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chorda tympani (br of VII)
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CN IX is parasymp to what structure via what ganglion?
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parotid gland
otic ganglion |
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CN VII is parasymp to what structures via which ganglion?
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lacrimal gland, mucous glands
pterygopalatine ganglion |
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CN VII is parasymp to which structures via which ganglion?
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submandibular gland, sublingual gland
submandibular ganglion |
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CN V2 travels through which holes?
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rotundum, pterygopalatine fossa, inferior orbital fissure, infraorbital foramen
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What does taste and somatosensory for posterior 1/3 of tongue?
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CN IX
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What does taste and somatosensory for anterior 2/3 of tongue?
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taste--chorda tympani (CN VII)
somatosensory--lingual (V3) |
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CN IX parasymp nerve and ganglion
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lesser petrosal n.
otic ganglion |
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V3 sensory nerves?
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auriculotemporal n.
buccal n. mental n. lingual n. inferior alveolar n. |
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V3 motor nerves?
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mylohyoid n.
deep temporal nn. masseteric n. nn. to medial and lateral pterygoids |
