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Anatomy > Larynx > Flashcards

Larynx Flashcards

1
Q

What are the unpaired cartilages of the larynx?

A

Thyroid, cricoid and epiglottis

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2
Q

Where is cricoid cartilage in respect to thyroid cartilage?

A

Directly inferior

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3
Q

Where is epiglottis in respect to thyroid cartilage?

A

Internal aspect of thyroid lamina

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4
Q

What are the pared cartilage of the larynx?

A

Arytenoid, corniculate and cuneiform

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5
Q

What are the 2 process of the arytenoid cartilage and what attaches here?

A

Muscular and vocal process

Muscles and vocal chords respectively

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6
Q

Where are the corniculate cartilages in respect to arytenoid cartilage?

A

On top of the apex

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7
Q

Where are the cuneiform cartilages found?

A

In the aryepligottic folds

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8
Q

What line is found on the lateral aspect of the thyroid cartilages?

A

Oblique line

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9
Q

What is found below the cricoid cartilage?

A

1st tracheal ring

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10
Q

What are the horns on the superior aspect of the thyroid cartilage called?

A

Superior cornu

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11
Q

What are the horns on the inferior aspect of the thyroid cartilage called?

A

Inferior cornu

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12
Q

What are the 2 extrinsic laryngeal membrane?

A

Cricotracheal membrane, thyrohyoid membrane

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13
Q

What are the attachments of thyrohyoid membrane?

A

Thyroid cartilage and hyoid bone

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14
Q

What are the attachments of the cricotracheal membrane?

A

Cricoid cartilage and 1st tracheal ring

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15
Q

What are the intrinsic laryngeal membrane?

A 
Conus elasticus (Cricothyroid) 
Quadrangular membrane
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16
Q

What are the true and false vocal folds made from?

A

True - superior border of conus elasticus

False - inferior border of the quadrangular membrane

17
Q

Where is the supraglottic cavity?

A

Above false vocal chord

18
Q

What is the laryngeal ventricle?

A

Space between vocal folds

19
Q

What is the infraglottic cavity?

A

Below sure vocal fold

20
Q

What type of joint is the cricothyroid joint?

A

Synovial

21
Q

What are the attachments of the Cricothyroid joint?

A

Inferior cornu of the thyroid cartilage and superior border of cricoid lamina

22
Q

What type of movement occurs at the Cricothyroid joint?

A

Rotation around the inferior cornu

23
Q

What is the function of the cricothryoid joint?

A

Shorten and lengthen the vocal folds to change pitch of voice

24
Q

What type of joint is Cricoarytenoid?

A

Synovial

25
Q

What are the articular surfaces of the Cricoarytenoid joint?

A

Base of arytenoid and superior border of cricoid

26
Q

What type of movement occurs at the Cricoarytenoid joint?

A

Rocking and sliding

27
Q

What is the function of the Cricoarytenoid joint?

A

Open and close larynx

Anatomy (40 decks)

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