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Anatomy > Tongue, Eyes, Ear > Flashcards

Tongue, Eyes, Ear Flashcards

(67 cards)

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1
Q

The tongue is attached to these structures: above

A
  1. styloid process

2. Soft palate

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2
Q

The tongue is attached to these structures: below

A
  1. Mandible

2. Hyoid bone

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3
Q

___ is a small pit at the apex of the tongue

A

foramen cecum

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4
Q

___ is a small nipple shaped projections on the anterior 2/3 of the dorsum of the tongue

A

lingual papillae

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5
Q

[papillae]

arranged in the form of V in front of the sulcus terminalis

A

vallate

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6
Q

[papillae]

mushroom shaped projections scattered on the sides and apex of the tongue

A

fungiform papillae

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7
Q

[papillae]

slender, conical projections arranged in rows parallel to the sulcus terminalis

A

filliform papillae

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8
Q

[papillae]

rudimentary in humans

A

foliate

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9
Q

What innervates the intrinsic muscles of the tongue?

A

CN XII

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10
Q

What are the extrinsic muscles of the tongue?

A
  1. Palatoglossus
  2. Styloglossus
  3. Hyoglossus
  4. Genioglossus
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11
Q

What extrinsic muscle of the tongue is not innervated by the hypoglossal nerve?

A

Palatoglossus - innervated by CN 10

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12
Q

What innervates the mucous membrane of the anterior 2/3 of the tongue

A

CN 5

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13
Q

What innervates the mucous membrane of the posterior 1/3 of the tongue

A

CN 10

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14
Q

What innervates the taste buds in the anterior 2/3 of the tongue

A

CN 7

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15
Q

What innervates the taste buds in the posterior 1/3 of the tongue

A

CN 9

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16
Q

What innervates the tongue?

A

Lingual artery from the ECA

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17
Q

[Lymph drainage of the tongue]

Posterior 1/3

A

superior deep cervical LN

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18
Q

[Lymph drainage of the tongue]

medial ant 2/3

A

inferior deep cervical LN

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19
Q

[Lymph drainage of the tongue]

Lateral ant 2/3

A

submandibular LN

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20
Q

[Lymph drainage of the tongue]

apex

A

submental

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21
Q

The bulk of the tongue is composed of ____

A

genioglossus

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22
Q

What is the chorda tympani?

A

A branch of CN 7 that supplies the taste sensation on the anterior 2/3 of the tongu

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23
Q

[eye]

what innervates the lateral rectus?

A

LR 6

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24
Q

[eye]

what innervates the superior oblique

A

SO 4

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25
[Guess the nerve injury involved] After injury, the eye is abducted Depressed ptosis pupil dilation
CN III
26
[Guess the muscle injury involved] After injury, the eye is extorted
SO damaged CN IV
27
[Guess the muscle injury involved] After injury, the eye is adducted
abduction is affected = LR = CN 6 CN 6 = abducens = abduct = LR
28
[Guess the muscle injury involved] After injury, the eye is medial deviation paralysis during abduction of the ipsilateral eye
CN VI, abducens
29
What nerve is located beneath the facial colliculus if the floor of the 4th ventricle in the caudal pons
abducens nerve = CN 6
30
What nerve is located at the ventral border of the periaqueductal gray of the midbrain at the level of inferior colliculus?
Trochlear nucleus
31
[Guess the muscle injury involved] After injury, the eye is slight extorsion compensated by head tilting
CN 4 = SO 4 Remember: tilt your head and say SO?
32
The upper and lower eyelids drain to whan LN?
1. Superficial parotid LN | 2. Pre-auricular LN
33
The medial eye drains to what LN?
submandibular LN
34
[Lesion of the optic pathway] monocular vision loss
optic nerve
35
[Lesion of the optic pathway] bitemporal hemianopsia
optic chiasm
36
[Lesion of the optic pathway] contralateral homonymous hemianopsia
optic tract
37
[Lesion of the optic pathway] contralateral superior quadrantanopsia
Inferior optic radiation
38
[Lesion of the optic pathway] contralateral inferior quadrantanopsia
Superior optic radiation
39
This refers to the hypophysis cerebri
pituitary gland
40
[Pituitary gland] the hypophysial pouch gives rise to ___ lobe
anterior lobe
41
[Pituitary gland] this is an upgrowth from roof of primitive mouth
Rathke pouch = anterior lobe = adenohypophysis
42
[Pituitary gland] this comes from the downgrowth of the diencephalon
neurohypophysial bud
43
[Pituitary gland] the posterior lobe comes from ___ bud
neurohypophysial bud
44
[Pituitary gland] What are the parts of the anterior pituitary
1. Pars distalis 2. Pars intermedia 3. Pars tuberalis
45
[Pituitary gland: anterior lobe] largest part, responsible for hormone secretion
pars distalis
46
[Pituitary gland: anterior lobe] it is an upward extension of the pars distalis that surrounds the infundibulum
pars tuberalis
47
[Pituitary gland] what are the parts of you posterior lobe?
1. Pars nervosa | 2. Infundibulum
48
[Pituitary gland] What is the arterial supply of your anterior pituitary gland
superior hypophyseal artery (from ICA)
49
[Pituitary gland] what are the arterial supply of your posterior pituitary?
1. Superior hypophyseal 2. Infundibular 3. Inferior hypophyseal artery
50
What are the hormones produced by you anterior pituitary?
1. FSH 2. LH 3. ACTH 4. TSH 5. PRL 6. GH Remember, FLAT PiG
51
What are the hormones secreted by your posterior pituitary?
1. ADH | 2. Oxytocin
52
ADH and oytocin are produced in what nuclei?
Supraoptic and paraventricular nuclei of the hypothalamus
53
This is also called the epiphyses cerebri
pineal gland
54
Corpora aranacea is located i ____
pineal gland
55
What innervates the external ear?
1. Auricular branch of the vagus and facial nerve 2. Greater auricular nerve 3. Auriculotemporal branch of trigeminal nerve 4. Lesser occipital nerve
56
What is the length of the external auditory meatus?
2.5cm
57
What innervates the external auditory meatus?
1. Auriculotemporal branch of the trigeminal nerve | 2. Auricular branches of the 7,9,10
58
the external auditory meatus is ___ cartilagenous and ___ bony
1/3 cartilagenous | 2/3 bony
59
What innervates the lateral concave surface of the tympanic membrane?
1. Auriculotemporal branch of CN 5 | 2. Auricular branch of CN 7, 9, 10
60
What innervates the medial surface of the tympanic membrane?
1. Tympanic branch of CN9
61
The cone of light is seen in what quadrant of the tympanic membrane?
Anteroinferior quadrant
62
The tympanic cavity contain these nerve
1. Chorda tympani (branch of CN 7) | 2. Tympanic plexus of CN 9
63
What innervates the tympanic cavity?
1. Tympanic branch of CN 9
64
What innervates the stapedius muscle?
CN 7 - hyperacusis
65
What innervates the tensor tympani?
mandibular branch of CN 5
66
[Sensory organ of the ear] for linear acceleration
Utricle | Saccule
67
[Sensory organ of the ear] for angular acceleration
Ampullae of the semicircular duct

Anatomy (37 decks)

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