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Anatomy II > Exam 3: Eye, Ear, Etc lecture ii > Flashcards

Exam 3: Eye, Ear, Etc lecture ii Flashcards

(72 cards)

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1
Q

extrinsic eye muscles: superior rectus origin

A

from common tendinous ring

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2
Q

extrinsic eye muscles: superior rectus insertion

A

to sclera

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3
Q

extrinsic eye muscles: superior rectus innervation

A

oculomotor nerve

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4
Q

extrinsic eye muscles: superior rectus action

A

ELEVATE, adduct, and rotate eyeball

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5
Q

extrinsic eye muscles: superior rectus: the common tendinous ring is formed by the origin of the four _ and encircles the sheath of the _ nerve and branches of other nerves

A

recti muscles, optic nerve

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6
Q

extrinsic eye muscles: inferior rectus origin

A

from common tendinous ring

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7
Q

extrinsic eye muscles: inferior rectus insertion

A

to sclera

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8
Q

extrinsic eye muscles: inferior rectus innervation

A

oculomotor nerve

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9
Q

extrinsic eye muscles: inferior rectus action

A

DEPRESS, adduct, and rotate eyeball laterally

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10
Q

extrinsic eye muscles: medial rectus origin

A

from common tendinous ring

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11
Q

extrinsic eye muscles: medial rectus insertion

A

to sclera

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12
Q

extrinsic eye muscles: medial rectus innervation

A

oculomotor nerve

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13
Q

extrinsic eye muscles: medial rectus action

A

adducts eyeball

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14
Q

extrinsic eye muscles: lateral rectus origin

A

from common tendinous ring

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15
Q

extrinsic eye muscles: lateral rectus insertion

A

to sclera

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16
Q

extrinsic eye muscles: lateral rectus innervation

A

abducent nerve

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17
Q

extrinsic eye muscles: lateral rectus action

A

abducts eyeball

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18
Q

extrinsic eye muscles: superior oblique origin

A

from sphenoid

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19
Q

extrinsic eye muscles: superior oblique origin made possible via a tendon that passes through a pulleylike _ and changes direction

A

trochlea

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20
Q

extrinsic eye muscles: superior oblique insertion

A

to superolateral sclera

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21
Q

extrinsic eye muscles: superior oblique innervation

A

trochlear nerve

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22
Q

extrinsic eye muscles: superior oblique action

A

abduct, depress, and MEDIALLY ROTATES eyeball

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23
Q

extrinsic eye muscles: inferior oblique origin

A

from anterior orbital floor

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24
Q

extrinsic eye muscles: inferior oblique insertion

A

to sclera

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25
extrinsic eye muscles: inferior oblique innervation
oculomotor nerve
26
extrinsic eye muscles: inferior oblique action
abduct, elevate, and LATERALLY ROTATES eyeball
27
extrinsic eye muscles: LR6SO4AO3 mnemonic for eye muscles and innervation
lateral rectus cranial nerve 6 (abducent) superior oblique cranial nerve 4 (trochlear) all other cranial nerve 3 (oculomotor)
28
lower jaw movement/chewing muscles: masseter origin
from zygomatic arch
29
lower jaw movement/chewing muscles: masseter insertion
to angle and ramus of mandible
30
lower jaw movement/chewing muscles: masseter innervation (and CN #)
massenteric branches of mandibular nerve (CN V3)
31
lower jaw movement/chewing muscles: masseter action
elevates mandible, closing jaws
32
lower jaw movement/chewing muscles: temporalis origin
from bones forming floor of temporal fossa
33
lower jaw movement/chewing muscles: temporalis insertion
to coronoid process of mandible
34
lower jaw movement/chewing muscles: temporalis innervation (and CN #)
mandibular nerve (CN V3)
35
lower jaw movement/chewing muscles: temporalis action
elevates mandible
36
chewing muscles of the infratemporal fossa: the infratemporal fossa also contains the _ and _ muscles, which move the mandible in complex ways
medial and lateral pterygoid (moves mandible)
37
temporomandibular joint (TMJ) structural classification
synovial; hinge (modified)
38
temporomandibular joint (TMJ) articular surfaces involved:
mandibular fossa of temporal bone and head of the condylar process of the mandible
39
teeth: contained in the strong _ parts of the maxilla and mandible
alveolar
40
teeth: crown projects from the _
projects from the gingiva (gum)
41
teeth: root(s) anchored in tooth sockets by a connective tissue structure, the _
periodontium
42
teeth: neck btwn _ and _
crown and root
43
teeth: dentine forms the bulk of the
tooth
44
teeth: dentine is covered by _ or _
enamel (crown/above the gum line) or cement (root/below the gum line)
45
teeth: pulp cavity has what structures
connective tissue, blood vessels, and nerves
46
teeth: root canal transmits nerves and vessels to and from the pulp cavity that enter the canal through the _
apical foramen
47
teeth are held in the tooth sockets by a special type of fibrous joint called a _
gomphosis
48
the periodontium in a gomphosis is composed of collagenous fibers running btwn _ of tooth and _ of mandible/maxilla
cement of tooth and periosteum of mandible/maxilla
49
_ (#) deciduous teeth
20 (baby)
50
_ (#) permanent teeth
32
51
teeth: each quadrant of the adult mouth contains (# starting at the midline and moving laterally) _ incisors, _ canine, _ premolars, and _ molars
2 incisors, 1 canine, 2 premolars, and 3 molars: 2123
52
palate: hard palate forms anterior _ of the roof of the oral cavity proper (mouth)
2/3
53
palate (roof of mouth): hard palate its bony skeleton is formed by the _ of the maxillae and the _ of the palatine bones
palatine processes of the maxillae and the horizontal plates of the palatine bones
54
palate (roof of mouth): soft palate forms posterior _
1/3 of the roof of the oral cavity proper (moveable)
55
palate (roof of mouth): soft palate it is a controlled flap that allows or limits _
communication with the nasal cavity
56
palate (roof of mouth): deep to the mucosa of the palate are numerous mucus-secreting _
palatine glands
57
palatine tonsils: often referred to as the
"the tonsils"
58
palatine tonsils: masses of _ tissue, one on each side of the _
lymphoid tissue, oropharynx
59
tongue: a mass of _ muscle
skeletal (striated) muscle
60
tongue: includes 2 types of muscles
1. extrinsic tongue muscles | 2. intrinsic tongue muscles
61
tongue: extrinsic tongue muscles which primarily control
tongue placement
62
tongue: intrinsic tongue muscles which primarily control _ for manipulation of food during chewing, swallowing, and speech
tongue shape
63
tongue: covered w/ a specialized _; textured with elevations, _ papillae, many of which contain _
mucosa; lingual papillae, taste buds (ling=tongue)
64
tongue: innervation of tongue muscles is mostly via _ (and CN #)
the hypoglossal nerve (CN XII) (gloss = tongue)
65
tongue: sensory innervation: 1. _ nerve a branch of CN V3 2. and what sensation from anterior 2/3 of tongue?
lingual nerve, general (touch and temp)
66
tongue: sensory innervation: 1. chorda tympani nerve a branch of _ 2. and what "special sensation" from anterior 2/3 of tongue?
CN VII, taste
67
tongue: sensory innervation: glossopharyngeal nerve what CN # and nearly all sensation from what part of tongue?
(CN IX), from posterior 1/3
68
tongue: sensory innervation: vagus nerve what CN # and all sensation adjacent to what structure?
(CN X) epiglottis
69
salivary glands: parotid gland receives (para/sympathetic) innervation from the _ nerve (and CN #)
parasympathetic innervation, glossopharyngeal nerve (CN IX)
70
salivary glands: submandibular and sublingual glands receive (para/sympathetic) innervation from CN _ by way of the _ and _ nerve
parasympathetic innervation, CN VII, chorda tympani nerve and lingual nerve
71
salivary glands: the ducts of the submandibular and sublingual glands open into the _
oral cavity under the tongue
72
What 2 extrinsic eye muscles have differing origin than common tendinous ring?
Superior oblique (sphenoid) and inferior oblique (anterior orbital floor)

Anatomy II (28 decks)

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