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Anatomy Head And Neck > Larynx > Flashcards

Larynx Flashcards

(125 cards)

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1
Q

green dot

A

lamina of the cricoid cartilage

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2
Q

green arrow

A

origin of cricothyroid muscle, external surface of cricoid arch

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3
Q

a weak, breathy voice is caused by damage to:

A

unilateral damage to inferior laryngeal nerve (which provides motor innveration to instrinsic muscles of the larynx)

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4
Q

lateral cricoarytenoid action

A

ADduction of of arytenoids

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5
Q

red dot

A

epiglottic cartilage

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6
Q

vocalis innervation

A

inferior laryngeal nerve

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7
Q

green arrow + blue shaded area combined is known as:

A

glottis

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8
Q

bue arrow

A

muscular process of the arytenoid cartilage

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9
Q

red arrow

A

laryngeal ventricle

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10
Q

red area

A

lateral cricoid ligament

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11
Q

blue shaded area

A

quadrangular membrane

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12
Q

green arrow

A

laryngeal prominence of the thyroid cartilage

(adam’s apple)

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13
Q

blue arrow

A

insertior of cricothyroid muscle, inferior thyroid lamina

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14
Q

blue area

A

rima glottidis

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15
Q

blood supply inferior to the glottis

A

inferior laryngeal vessels from inferior thyroid vessels

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16
Q

yellow arrow

A

cricotracheal ligament

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17
Q

red arrow

A

vocal process of arytenoid cartilage

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18
Q

blue arrow

A

insertion of arytenoids, contralateral arytenoid

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19
Q

green arrow

A

origin of the cricoarytenoid, cricoid arch

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20
Q

pink line

A

vestibular ligament

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21
Q

red arrow

A

origin of vocalis, vocal process of arytenoid

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22
Q

thryoarytenoid action

A

shortening (relaxing) of arytenoids

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23
Q

blue arrow

A

superior horn of the thyroid cartilage

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24
Q

what provides sensory innervation to the glottis and infraglottic cavity

A

inferior laryngeal nerve

(internal laryngeal provides sensory to supraglottic)

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25
green arrow
stalk of the epiglottic cartilage
26
green arrow
origin of arytenoids, body of arytenoid
27
red arrow
vocal process of the arytenoid cartilages
28
red area
lateral cricoid ligament
29
blue arrow
external laryngeal nerve
30
the piriform recess is between:
the cricoid and thyroid cartilages (blue)
31
which intrinsic muscle of the larynx is responsible for shortening (relaxing) arytenoids
vocalis, thryoarytenoid
32
blue arrow
superior horn of the thyroid cartilage
33
lateral cricoarytenoid innervation
inferior laryngeal nerve
34
cough reflex sensory and motor
in on vagus (x), out on vagus (x)
35
blue dot
cricoid cartilage
36
blue area
rima glottidis
37
muscles that move the whole larynx:
suprahyoid (elevate) infrahyoid (depress)
38
red dot
epiglottic cartilage
39
tracheostomy location and procedure
between upper tracheal rings, long term solution for air to airway
40
green dot
vestibule of larynx
41
the lateral cricoarytenoid ADducts the vocal cords by:
pulling anteriorly on muscular process
42
pink arrow
cricoarytenoid joint
43
green arrow
superior laryngeal nerve (branch of vagus CN X)
44
which intrinsic muscle of the larynx ABducts the arytenoids
posterior cricoarytenoid
45
red arrow
laryngeal ventricle
46
blue arrow
insertion of lateral cricoarytenoid, muscular process of arytenoid
47
green arrow
origin of the thyroarytenoid, thyroid lamina
48
cricothyrotomy location and procedure
at the medial cricothyroid ligament (below the vocal cords) in an emergency to restore air to airway
49
green dot
lamina of the cricoid cartilage
50
green shaded area
lamina of the thyroid cartilage
51
what provides motor innervation to all of the internal laryngeal muscles?
**inferior** laryngeal nerve not to be confused with the internal laryngeal nerve which provides sensory information to the supraglottic region
52
green arrow
vestibular fold (mucosa wrapping around vestibular ligament)
53
green arrow
vestibular fold (mucosa wrapping around vestibular ligament)
54
the conus elasticus is made up of which structures?
vocal ligament (blue), lateral cricothyroid ligament (red)
55
vocalis action
shortening (relaxing) of arytenoids
56
blue arrow
vocal ligament
57
blue arrow
insertion of lateral cricoarytenoid, muscular process of arytenoid
58
green arrow
origin of posterior cricoarytenoid, posterior cricoid lamina
59
blue arrow
vocal fold (mucosa wrapping around vocal ligament)
60
the glottis is made up of:
vocal fold (green), rima glottidis (blue)
61
pink bracket
supraglottic region
62
red area
vestibule of the larynx
63
green dot
thyroid cartilage
64
what type of rotation occurs at the cricothyroid joint?
anteroinferior rotation of the thyroid on the cricoid (red arrow)
65
thyroarytenoid innervation
inferior laryngeal nerve
66
green arrow
cricoid arch of the cricoid cartilage
67
blue arrow
recurrent laryngeal nerve
68
blood supply superior to the glottis
superior laryngeal vessels from superior thyroid vessels
69
green arrow
inferior laryngeal nerve (branch of recurrent laryngeal nerve)
70
lymph drainage inferior to glottis
follows veins to inferior deep cervical lymph nodes
71
green arrow
thyrohyoid membrane (wraps completely around)
72
blue arrow
insertion of the thyroarytenoid, body of arytenoid
73
green arrow
origin of the thyroarytenoid, thyroid lamina
74
green arrow
origin of arytenoids, body of arytenoid
75
blue arrow
insertion of cricoarytenoid, muscular process of arytenoid
76
lymph drainage superior to glottis
follows veins to superior deep cervical lymph nodes
77
arytenoids innervation
inferior laryngeal nerve
78
blue arrow
vocal ligament
79
blue arrow
muscular process of arytenoid cartilage
80
What are the two branches of the superior laryngeal nerve?
external and internal laryngeal nerves (blue and pink)
81
green arrow
vocal fold
82
what provides sensory innervation to the supraglottic laryngeal region?
INTERNAL layrngeal nerve (branch of superior laryngeal nerve) (pink)
83
blue arrow
cricothyroid joint
84
green arrow
cricoid arch of the cricoid cartilage
85
blue arrow
piriform recess
86
green arrow
arytenoid cartilages (paired)
87
green arrow
median cricothyroid ligament
88
intrinsic muscle of the larynx responsble for allowing deep breaths
posterior cricoarytenoid- ABducts the vocal cords to move them out of the way for air to enter trachea
89
green arrow
origin of cricothyroid muscle, external surface of cricoid arch
90
posterior cricoarytenoid action
ABduction of arytenoids
91
blue dot
cricoid cartilage
92
red line
ary-epiglottic ligament (from arytenoid cartilage to epiglottic)
93
green dot
vestibule of larynx
94
which instrinsic muscle of the larynx lengthens thyroid
cricothyroid
95
green arrow
cricoid cartilage
96
the recurrent laryngeal nerve changes names to the inferior laryngeal nerve when it:
dives deep to the inferior pharyngeal constrictor
97
blue arrow and red area combined are known as:
conus elasticus
98
pink arrow
cricoarytenoid joint
99
instrinsic muscles of the larynx control the
shape and function of vocal folds
100
green arrow
arytenoid cartilages (paired)
101
red arrow
lateral cricothyroid ligament
102
blue arrow
vocal ligament
103
blue arrow and red area combined are known as:
conus elasticus
104
the arytenoids ADduct the vocal cords by:
bringing the arytenoids together
105
green arrow
vocal fold
106
cricothyroid innervation
external laryngeal nerve
107
blue arrow
insertior of cricothyroid muscle, inferior thyroid lamina
108
when there is a mucosal lining on top of a ligament, the name changes to:
a fold
109
green dot
thyroid cartilage
110
the inferior laryngeal nerve passes __________ to the cricothyroid joint
posterior ( red arrow)
111
green arrow
median cricothyroid ligament
112
red arrow
inferior horn of the thyroid cartilage
113
green arrow
origin of the cricoarytenoid, cricoid arch
114
green arrow
origin of posterior cricoarytenoid, posterior cricoid lamina
115
posterior cricoarytenoid innervation
inferior laryngeal nerve
116
posterior cricoarytenoid aBducts the vocal cords by:
pulling posteriorly on muscular process
117
which intrinsic muscle of the larynx does ADuction of the arytenoids
lateral cricoarytenoid, arytenoids
118
blue arrow
vocal fold (mucosa wrapping around vocal ligament)
119
blue arrow
insertion of cricoarytenoid, muscular process of arytenoid
120
blue arrow
vocal fold (mucosa wrapping around vocal ligament)
121
cricothyroid action
lengthening (tightening) of thyroid
122
blue arrow
insertion of the thyroarytenoid, body of arytenoid
123
green arrow
laryngopharynx
124
green shaded area
lamina of the thyroid cartilage
125
red dot
infraglottic cavity until it is officially called the trachea

Anatomy Head And Neck (13 decks)

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