Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Specialised Anatomy for SLT > Week 5 Slides- The Larynx > Flashcards

Week 5 Slides- The Larynx Flashcards

1
Q

What is the Laryngeal Inlet?

A

The point where the pharynx turns into the larynx.

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

The division point between the pharynx and larynx is known as the _____ _____.

A

Laryngeal Inlet.

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

The skeletal framework of the larynx is made up of a series of _______.

A

Cartilages.

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

Is the larynx flexible?

A

Yes.

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

When does the larynx change?

A

As we age.

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

The ______ ridges sit below the laryngeal cartilage.

A

Tracheal.

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

What bone is not officially part of they larynx, but is connected?

A

The Hyoid Bone.

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

What is the leaf like cartilage at the top of the larynx called?

A

The Epiglottal Cartilage.

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

Name the main types of cartilage in the larynx.

A 
Epiglottal Cartilage
Thyroid Cartilage
Cricoid Cartilage
Tracheal Cartilage
Arytenoid Cartilages
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The epiglottal cartilage is a ____ cartilage behind the _____ and _____ bone.

A

Single, hyoid and tongue.

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

What cartilages fuse together at the front to create the laryngeal prominence?

A

Thyroid Cartilages.

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

The 2 plates of the thyroid cartilage ___ together at the _____.

A

Fuse, front.

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

Describe what the back of the thyroid looks like.

A
  • It has 2 long horns upwards

- It has 2 small horns downwards

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

What are the 2 ____ horns of the thyroid that go upward coupled to?

A

Long, Hyoid bone.

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

At the back of the thyroid, what do the 2 small horns that go downward connect to?

A

The 2 small horns of the thyroid cartilage connect to the cricoid cartilage.

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

In real life all these structures are very ____.

A

small.

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

What does the cricoid cartilage connect with?

A

It connects with the thyroid.

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

Describe the structure of the cricoid cartilage.

A

The cricoid cartilage is a circular structure with signet at back, and thin part at the front, called the arch.

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

The cricoid cartilage is thinner at the front than the back, what is this part at the front known as?

A

The Cricoid arch.

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

The signet ring is at the ____ of the cricoid cartilage.

A

Back.

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

Where are the main plates of the cricoid (back or front)?

A

At the back.

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

The main plates of thyroid are at the ____, opposite from the cricoid.

A

Front.

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

What are arytenoid cartilages?

A

Triangular structures that connect with the cricoid.

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

The arytenoid cartilage is a _____ cartilage.

A

Paired.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The bump of cartilage in the middle of each arytenoid cartilage is called the ______ cartilage.

A

Cuneiform.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Close to the centre of the larynx, this bump of cartilage sits each on the inner side of the arytenoid cartilage triangle, name this.

A

Corniculate cartilage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What do the vocal processes connect with?

A

The vocal folds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

As the arytenoid cartilage projects forwards (vocal processes), horizontally what does it connect with?

A

The vocal folds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What cartilages must we look inside and downwards into the larynx to see?

A

Arytenoid Cartilages.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What cartilages play a part in moving the vocal folds?

A

Arytenoid Cartilages.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Name the 2 Laryngeal Joints.

A

Cricothyroid Joint

Cricoarytenoid Joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What does the cricothyroid joint connect?

A

The Cricoid cartilage and the Thyroid cartilage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The cricothyroid joint is very flexible. What is this called?

A

A Synovial Joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What do ligaments allow?

A

Ligaments allow the movement of a joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What surrounds the Cricothyroid Joint?

A

Ligaments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Name the 3 Ligaments that surround the Cricothyroid Joint.

A

Anterior Ceratocricoid
Lateral Ceratocricoid
Posterior Ceratocricoid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

The ligaments that surround the cricothyroid joints are known as ______ ligaments.

A

Ceratocricoid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What do the Ceratocricoid Ligaments allow?

A

They allow the rotation and sliding of the cricothyroid joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Apart from the cricothyroid joint, name the other laryngeal joint.

A

Cricoarytenoid Joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What does the Cricoarytenoid connect?

A

The cricoid cartilage and the arytenoid cartilage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

How many ligaments surround the Cricoarytenoid Joint?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Name the two ligaments that surround the Cricoarytenoid Joint.

A

Anterior Cricoarytenoid

Posterior Cricoarytenoid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

The ligaments that surround the cricoarytenoid joint are known as __________ ligaments.

A

Cricoarytenoid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What do the Cricoarytenoid Ligaments allow?

A

They allow the rotation and sliding of the cricoarytenoid Joint.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

The _____ ______ are the most important part of laryngeal activity.

A

Vocal Folds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

What do the vocal folds consist of?

A

Vocal Ligaments and mucous.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

The vocal folds have a variety of _____ covered in mucous.

A

Muscles.

48
Q

The vocal folds connect up to the _____ _______.

A

Vocal processes.

49
Q

Where do the vocal folds connect to at the front of the larynx?

A

The thyroid cartilages.

50
Q

Where do the vocal folds connect to at the back of the larynx?

A

The arytenoid cartilages.

51
Q

As the vocal folds are connected to the front and back of the inside of the larynx, this creates a ____ space in ______, this is called the ______.

A

Triangular, between, glottis.

52
Q

The movement of the larynx affects ____ _____ movement.

A

Vocal fold.

53
Q

Vestibular ligament and mucous makes up the ______ ______.

A

Vestibular Folds.

54
Q

The ____ vocal cords sit above the vocal cords.

A

Vestibular/False

55
Q

What is the scientific name for the false vocal folds?

A

Vestibular folds.

56
Q

Similar to the true vocal folds, the ligaments of the false vocal folds stretch from the _______ (front) to the _____ (back).

A

Thyroid, Arytenoid.

57
Q

The small triangular space between the Vestibular Folds, is known as what?

A

The false glottis.

58
Q

What are the pink folds above and to the side of the true vocal folds?

A

The false vocal folds.

59
Q

Laryngeal muscles can be ____ or _______.

A

Intrinsic, Extrinsic.

60
Q

What is the function of Intrinsic Laryngeal muscles?

A

To stabilise the larynx and to have an impact on the vocal folds themselves.

61
Q

What is the function of the Extrinsic Laryngeal muscles?

A

To adjust and move the larynx.

62
Q

Are these intrinsic or extrinsic laryngeal muscles?

  • Cricothyroid
  • Thyroarytenoid
A

Intrinsic.

63
Q

The transverse arytenoids are ____ muscles of the larynx.

A

Intrinsic.

64
Q

Are the posterior and lateral Cricoarytenoid muscles intrinsic or extrinsic?

A

Intrinsic.

65
Q

Name the 2 main categories of Extrinsic Laryngeal Muscles.

A
  • Suprahyoid Muscles

- Infrahyoid muscles

66
Q

List the suprahyoid muscles.

A
  • Stylohyoid
  • Digastric
  • Mylohyoid
  • Geniohyoid
67
Q

What are the following muscles categorised as?

  • Omohyoid
  • Sternohyoid
  • Sternothyroid
  • Thyrohyoid
A

Infrahyoid muscles.

68
Q

Where does the cricothyroid muscle run from?

A

It runs from the cricoid cartilage to the thyroid cartilage.

69
Q

The cricothyroid muscle is an _______ laryngeal muscle.

A

Intrinsic

70
Q

What does the cricothyroid muscle do?

A

It tightens the vocal folds by lifting at front and pulling down at back, making them stretch.

71
Q

What muscle tightens and stretches the vocal folds?

A

Cricothyroid Muscle.

72
Q

The ______ muscle makes the vocal folds thinner.

A

Cricothyroid.

73
Q

If the vocal folds are thinner we can make sounds of a ______ pitch.

A

Higher.

74
Q

What does the Thyroarytenoid muscle pass from?

A

It passes from the Thyroid to the vocal process (of the arytenoids).

75
Q

What is the function of the Thyroarytenoid muscle?

A

It relaxes and shortens the vocal folds.

76
Q

The _____ muscle helps to create a lower pitch as they relax and ____ the vocal folds making them weaker and _____ to move.

A

Thyroarytenoid, shorten, slower.

77
Q

Name the part of the Thyroarytenoid muscle that inserts into vocal process and is the muscular portion of the vocal folds.

A

Vocalis

78
Q

What lies parallel with the vocal folds?

A

The Vocalis.

79
Q

The Vocalis is the muscular portion of what?

A

The vocal folds.

80
Q

What muscle connects the Back of the cricoid with the arytenoid?

A

The posterior cricoarytenoid.

81
Q

What is the function of the posterior cricoarytenoid?

A
  • Rotates the arytenoids separating the vocal folds, making them move outwards
  • This opens the vocal folds wider.
82
Q

What do the transverse arytenoids connect?

A

They connect the two arytenoids.

83
Q

What is the function of the transverse (and oblique) arytenoids?

A
  • To Adduct the arytenoids

- This closes the posterior glottis as it pulls the vocal folds together.

84
Q

What does the Lateral cricoarytenoid muscle connect?

A

The Cricoid to the Arytenoid.

85
Q

What muscle rotates the arytenoids, moving the vocal folds closer together (adduction)?

A

Lateral Cricoarytenoid Muscle.

86
Q

What is the main adductor of the vocal folds?

A

Lateral Cricoarytenoid muscle.

87
Q

Name the muscle that’s main function is to pull the glottis together?

A

Lateral Cricoarytenoid Muscle.

88
Q

What does the Vocalis do?

A

Increases the thickness of vocal folds.

89
Q

What muscle lengthens and stretches the vocal folds?

A

Cricothyroid Muscle.

90
Q

What muscle separates the vocal folds?

A

The Posterior Cricoarytenoid.

91
Q

What is the function of the Lateral Cricoarytenoid muscle?

A

To close the glottis.

92
Q

What muscle closes the posterior glottis?

A

Transverse Arytenoids.

93
Q

What shortens and relaxes the vocal folds?

A

The Thyroarytenoid.

94
Q

Name the 3 extrinsic muscles that stabilise and support the larynx.

A
  • Thyrohyoid
  • Sternothyroid
  • Inferior Constrictor
95
Q

What extrinsic muscle raises the larynx?

A

The Thyrohyoid.

96
Q

The ___________ muscle that connects the thyroid and hyoid is known as the ____________.

A

Extrinsic, Thyrohyoid.

97
Q

What is the function of the Sternothyroid?

A

To pull the Larynx (thyroid) Downwards.

98
Q

Name the muscle that connects the thyroid to the sternum.

A

Sternothyroid.

99
Q

What is the role of the Inferior Constrictor?

A

To stabilise the larynx.

100
Q

Where is the inferior constrictor found?

A

The bottom of the pharynx.

101
Q

What muscle arises from the sides of the cricoid and thyroid cartilages?

A

Inferior Constrictor.

102
Q

Name the 2 Infrahyoid muscles that help to pull the larynx down.

A

Omohyoid

Sternohyoid.

103
Q

The ______ muscle helps to pull the larynx down and back.

A

Omohyoid.

104
Q

What is the role of the Sternohyoid muscle?

A

To help pull the larynx down.

105
Q

What is the role of the suprahyoid muscles (stylohyoid, Geniohyoid, mylohyoid, digastric)?

A

To help lift/raise the larynx.

106
Q

The ______ muscles have an indirect relationship with the larynx but help to raise it.

A

Suprahyoid.

107
Q

What does swallowing do to the larynx?

A

It closes off the larynx.

108
Q

During swallowing, describe how the larynx is closed and the muscles used to do this.

A
  1. Palate raised to close the nasal cavity by the Levatoer Palatini
  2. Vocal folds closed by the Lateral Cricoarytenoid
109
Q

During quiet breathing, the vocal folds are _____ by the _______ _______.

A

Abducted, Posterior Cricoarytenoid.

110
Q

During forced breathing, the vocal folds are _____ plus ______, this requires actions of the posterior cricoarytenoid and _______.

A

Abducted, relaxation, Thyroarytenoid.

111
Q

During phonation what happens to the glottis?

A

The glottis is narrowed to allow vibration.

112
Q

How is the glottis narrowed in order to allow vibration?

A

The lateral cricoarytenoid and the Transverse arytenoid muscles are used.

113
Q

Aging can cause the cricoid to _____.

A

Lower.

114
Q

As a result of aging what can happen to the cartilages of the larynx?

A

They can ossify and calcify.

115
Q

As a result of age the ____ cartilage movements are reduced.

A

Arytenoids.

116
Q

Name the 2 main biological sex differences of the Larynx.

A
  • The thyroid is bigger in men

- The Vocal folds are longer and thicker in males.

Specialised Anatomy for SLT (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions