Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

A&P Speech Mechanism > Outline 11 - Larynx > Flashcards

Outline 11 - Larynx Flashcards

1
Q

function of extrinsic muscle

A

moves and keeps the larynx in position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

extrinsic muscles has…

A

one attachment outside the larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the function of extrinsic muscles?

A

moves the larynx in throat or fixes the larynx in position.

move the larynx up for swallowing

does the larynx down for big breathing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the 2 groups of extrinsic muscles of the larynx

A
  • suprahyoid

- infrahyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where are the supra hyoid muscles located?

What is the function of the surpahyoid muscle?

A

muscles above the hyoid bone.

Laryngeal elevators (pull the larynx) Super important for swallowing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the surpahyoid muscles

A

Digastric (2 bellies)

mylohyoid

geniohyoid

stylohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the two bellies of the digastric?

A

anterior and posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What’s the origin of the digastric?

A

medial inferior border of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What’s the course of the digastric?

A

Courses posteriorly and inferiorly to the hyoid bone, then to the intermediate tendon.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where does the posterior belly go from and insert into?

A

goes from the intermediate tendon and inserts on the mastoid process of the temporal bone.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the function of the digastric muscle?

A

Moves the hyoid bone slightly forward

may help to drop the jaw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does mylohyoid muscle form?

A

The floor of the mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What’s the origin of the mylohyoid muscle?

A

Origin: medial borders of the mandible (right and left)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s the course of the mylohyoid muscle?

A

mmm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the 2 parts of ________ MUSCLES are

  • thyromuscularis
  • thyrovocalis
A

thyroarytenoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

2 parts of the _______ muscles:

  • oblique part
  • transverse part
A

interarytenoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

2 parts of _____ muscles are

  • pars oblique
  • pars recta
A

cricrothyroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what are 4 categories of intrinsic muscles

A

i. Adductors
ii. Abductors
iii. Glottal tensors
iv. Glottal relaxers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

_____ muscle group is made up of the….

  • lateral cricoarytenoid muscles
  • transverse arytenoid muscles
A

adductor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

muscles that govern abduction are the _____ _____ muscles. whilst the thyroarytenoid muscles and the vocalis muscles are responsible for relaxing them.

A

posterior cricoarytenoid muscles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The _______ muscles are the …

  • transverse arytenoid muscles
  • oblique arytenoid muscles
  • aryepiglottic muscles.
A

sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The ____ muscles are responsible for tensing the vocal cords

A

cricothyroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Glottal ______ (intrinsic muscle) are

  • cricothyroid muscles
  • thyroarytenoid muscles
A

tensor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Glottal ______ (intrinsic muscle) are

  • lateral cricoarytenoids
  • thyroarytenoids
A

relaxers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
_____ ligaments - connect cartilages of the larynx - support structure for the larynx and vocal folds
Intrinsic
26
Intrinsic ____ Line the entire larynx except for a small interval between the vocal and ventricular ligaments
membranes
27
____ membranes of the larynx - Quadrangular membrane - Conus elastics - Mucous membrane
intrinsic
28
connect the laryngeal apparatus with adjacent structures for support what membrane is this?
extrinsic membranes
29
thyrohyoid membrane and Cricotracheal membrane are the _______ membranes
extrinsic
30
vocal fold is the _____ layer of mucous membrane
outtermost
31
Joints of the ___ ____ - Cricothyroid joint - Cricoarytenoid joint
Laryngeal Cartilages
32
Cricothyroid joint controls ____ of vocal fold
length
33
help open, close, and tighten the vocal cords during speech and breathing what joint is this?
Cricoarytenoid joint
34
Cricothyroid joint is a ___ joint
pivot
35
Cricroarytenoid joint is a ____ joint
saddle
36
3 types of cartilage
i. Hyaline ii. Fibrous iii. Elastic
37
What cartilage is most common the body?
Hyaline
38
Hyaline cartilage is found at the end of ____ and ____ .
bones and larynx
39
True or false. Fibrous is inelastic
true
40
Where is fibrous cartilage found ?
some joints and ligaments
41
Where is elastic cartilage found ?
epiglottis, ears, and nose
42
Membrane that covers cartilage is called
perichondria
43
Define joint
functional connection that exits between bones
44
Types of joints
i. Synarthrodial ii. Amphiarthrodial iii. Synovial
45
True or false. Synarthrodial joints are moveable
false!
46
give an example of a Synarthrodial joint
skull
47
Amphiarthrodial has ____ motion
limited
48
Amphiarthrodial found between ____
vertebrae
49
Synovial are ____ moving type of joint
freely
50
what is the most common kind of joint?
synovial
51
Types of _____ joint types a. Plane or gliding b. Ginglymus c. Pivot d. Condyloid e. Saddle f. Ball and socket
Synovial
52
Plane or gliding is
articular facets of vertebrae "cup and saucer"
53
where is plane and gliding (synovial joint found) ?
vertebrae and ribs
54
Ginglymus is ___ joint
hinge joint.
55
Ginglymus large range of motion but only __ direction
1
56
Define Pivot joint
projection of 1 bone to another
57
where is pivot (synovial joint found) ?
between atlas and axis
58
Condyloid has a ___ motion
rocking
59
example of condyloid joint
mandible (jaw)
60
Saddle joint has an ___ range of motion
increase
61
true or false. thumb is an example of a saddle joint
true
62
true or false. Ball and socket is most freely movable
true
63
examples of ball and socket joint
shoulder and hip
64
____ has 3 functions ... 1. Protection for airway 2. When closed, holds air in your thorax which helps make your upper body stronger for lifting, voiding, etc. 3. Voice
Larynx
65
The primary function of larynx acts as a
valve
66
i. Hyoid bone ii. Epiglottis iii. Thyroid iv. Cricoid v. 2 arytenoids vi. 2 corniculate vii. 2 cuneiform Nine ___ and one bone
cartilages
67
only bone in the larynx is
Hyoid bone
68
what cartilage is this? "looks like a leaf and is made of elastic cartliage
epiglottis
69
Primary function of epiglottis
airway protection
70
what is the largest of the laryngeal cartilages ?
thyroid
71
thyroid cartilage is made up of ___ cartliage
hyaline
72
thyroid cartilage is AKA as
adam's apple
73
Cricoid cartilage is a ________ because it is a closed ring
“specialized tracheal ring”
74
This cartilage is shaped like a ring and is the most inferior of the laryngeal cartilages...
cricoid cartilage
75
This cartilage paired is pyramidal in shape and its base articulates with cricoid cartilage...
arytenoid cartilage
76
arytenoid movement ____ and ____ vocal fold
open and closes
77
arytenoid cartilage contains ____ process
vocal
78
This cartilage paired lies on the apices of the arytenoid cartilages and are closed within the aryepiglottic folds...
2 corniculate cartilage
79
This cartilage is paired and lies in the aryepiglottic folds anterior to the corniculate cartilage...
Cuneiform Cartilage
80
mucous membrane lines ____ and ___ respiratory tract
upper and lower
81
thyroid cartilage attaches to the cricoid cartilage by the _____ ligaments
ceratocricoid
82
what hold Cricothyroid joints in place?
ceratocricoid ligaments
83
only muscle that opens true v.f. for breathing
posterior cricoarytenoids
84
glottal tensor ____ vocal fold
lengthen
85
glottal relaxer ___ vocal fold
shortens
86
place and space for supra glottal
vestibule and ventricle
87
goes from level of ventricular folds to level of aryepiglottic folds...
vestibule
88
space between true and false v.f.
ventricle
89
supra glottal is ___ glottis
above
90
this place and space goes from true vocal folds down to the border of cricoid cartilage)
Subglottal
91
below the cricoid cartilage is the
trachea
92
_____ is the space between the true vocal folds
glottis
93
"where true v.f. attach in front of the thyroid cartilage" what commissure is this ?
anterior commissure
94
"where true vocal folds attach to back of arytenoids" what commissure is this?
Posterior commissure
95
The anterior two-thirds of the vocal fold’s visible length and also, during breathing, the space between this segment of both folds
membranous glottis
96
The posterior one-third of the vocal fold’s visible length and also, during breathing, the space between this segment of both folds.
Cartilaginous glottis
97
special connective tissue formed by
chondroblasts
98
Mylohyoid muscle inserts at
Midline Ralphe
99
_____ muscle lower larynx and inferior part of hyoid bone
infrahyoid
100
_____ muscle - shape the glottis
intrinsic

A&P Speech Mechanism (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions