Larynx Overview Flashcards

1
Q

Where is the larynx located?

A

Between the oropharyngeal isthmus to trachea, extending vertically from tip of epiglottis to inferior boarder of cricoid cartilage

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

What 3 things form the larynx?

A
  1. Cartilages
  2. Fibro-elastic membrane
  3. Intrinsic muscles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many cartilages can be found in the larynx?

A

6

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

Name the 3 single cartilages of the larynx

A
  1. Thyroid
  2. Cricoid
  3. Epiglottis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name the 3 pairs cartilages of the larynx

A
  1. Arytenoid
  2. Corniculate
  3. Cuneiform
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Describe 2 major features of the thyroid cartilage

A
  1. Contains a superior and inferior cornua

2. Has an oblique which is the site of muscle attachment

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

What is attached to the superior boarder of the thyroid?

A

Thyrohyoid ligament

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

What is attached to the inferior boarder of the thyroid?

A

Cricothyroid ligament

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

What is the correct term for Adam’s apple?

A

Laryngeal prominence

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

Describe the articulation of the thyroid cartilage with the cricoid cartilage

A

Bilateral

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

Where is the cricoid cartilage found?

A

Posterior aspect of the larynx

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

Describe the epiglottis

A

Leaf-like, elastic fibrocartilage

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

What connects the thyroid cartilage and epiglottis?

A

Thryroepiglottic ligament

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

What attaches the side of the epiglottis to the arytenoid cartilages?

A

Aryepiglottic folds

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

What is epiglottitis?

A

Inflammation of the epiglottis

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

What are the 2 processes found on the arytenoid cartilage?

A
  1. Vocal process

2. Muscular process

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

What muscles attach to the muscular process of the arytenoid cartilage?

A

Cricoarytenoid muscles

18
Q

Describe 3 features of the corniculate cartilage

A
  1. Elastic fibrocartilage
  2. Synovial joint with arytenoid or fuse with its apex
  3. Situated in aryepiglottic fold
19
Q

Describe 3 features of the cuneiform cartilage

A
  1. Elastic fibrocartilage
  2. Lateral to corniculate cartilage
  3. Situated in aryepiglottic fold
20
Q

What are 3 membranes found in the larynx?

A
  1. Thyrohyoid
  2. Quadrangular membrane
  3. Cricothyroid membrane
21
Q

What do the quadrangular and cricothyroid membranes form?

A

Fibro-elastic membranes of the larynx

22
Q

Name 6 ligaments present in the larynx

A
  1. Hyoepiglottic ligament
  2. Cricotracheal ligament
  3. Thyrohyoid ligaments
  4. Vestibular ligament
  5. Vocal ligament
  6. Aryepiglottic ligament
23
Q

Where is the thyrohyoid membrane found?

A

Between the superior margin of thyroid and hyoid

24
Q

Name 2 things which pass through the aperture in the thyrohyoid membrane

A
  1. Superior laryngeal arteries

2. Internal laryngeal nerve

25
Q

What does the posterior boarder of thyrohyoid membrane form?

A

Lateral thyrohyoid ligament

26
Q

What does the midline of thyrohyoid membrane form?

A

Median thyrohyoid ligament

27
Q

How are the thyrohyoid ligaments formed?

A

Thickenings of the thyrohyoid membrane

28
Q

Where is the hyoepiglottic ligament found?

A

Midline of epiglottis to body of hyoid bone

29
Q

Where is the cricotracheal ligament found?

A

Lower boarder of cricoid to the first tracheal cartilage

30
Q

Where is the quadrangular membrane found?

A

Between epiglottis and arytenoid

31
Q

What ligament is formed by the lower free margin of quadrangular membrane?

A

Vestibular ligament

32
Q

What is another name for the vestibular ligament?

A

False vocal cord

33
Q

What ligament is formed by upper boarder of quadrangular membrane?

A

Aryepiglottic ligament

34
Q

Where is the lower margin of the cricothyroid membrane attached?

A

Upper boarder of cricoid cartilage

35
Q

What ligament is formed by the upper free margin of the cricothyroid membrane?

A

Vocal ligament

36
Q

What is another name for the vocal ligament?

A

True vocal cords

37
Q

What is the anterior attachment of the vocal ligament?

A

Deep surface of thyroid cartilage

38
Q

What is the posterior attachment of the vocal ligament?

A

Vocal process of arytenoid

39
Q

What are the 3 major regions of the larynx?

A
  1. Vestibule
  2. Ventricle
  3. Infraglottic space
40
Q

Where is the vestibule of the larynx found?

A

Between the laryngeal inlet and vestibular ligaments

41
Q

Where is the ventricle of the larynx found?

A

Middle part of the laryngeal cavity between vestibular and vocal ligaments

42
Q

Where is the infraglottic space of the larynx found?

A

Below the vocal ligaments