The Larynx Flashcards Preview

Anatomy > The Larynx > Flashcards

Flashcards in The Larynx Deck (32):
1

functions (3)

respiratory

phonatory

reflexive & voluntary sphincteric functions (e.g., to prevent aspiration or breath holding)

2

laryngeal regions & landmarks:
upper laryngeal cavity:

___ region

from the tip of the ___ to the ___

supraglottal regoin
epiglottis
vestibular folds

3

laryngeal regions & landmarks:
upper laryngeal cavity:
landmarks:

___ (opening to the ___)
___
___ folds
___ cartilages
___ folds or the ___ cords
___ (area b/n the ___ & the ___)

aditus (opening to the larynx)
epiglottis
aryepiglottic folds
arytenoid cartilgaes
vestibular (ventricular) folds or the false vocal cords
vestibule (area b/n the aditus & the vestibular folds)

4

laryngeal regions & landmarks:
middle laryngeal cavity:

___ region

from the ___ to the ___

glottal region

vestibular folds
vocal folds

5

laryngeal regions & landmarks:
middle laryngeal cavity:
landmarks:

___ (___) - strung b/n the thyroid angle & vocal processes of the arytenoid cartilage

___ - the lateral space b/n the false & true vocal folds

___ - the narrowest space b/n the two true vocal folds (the narrowest part of the larynx)

___ - the medial borders of the true vocal cords

vocal folds (true vocal cords)

ventricles

glottis

rima glottis

6

laryngeal regions & landmarks:
lower laryngeal cavity:

___ region

from the ___ to the lower border of the ___

infraglottal region

vocal cords
cricoid cartilage

7

laryngeal regions (3)

upper laryngeal cavity
middle laryngeal cavity
lower laryngeal cavity

8

laryngeal skeleton:

two cartilages (2)

unpaired cartilages
paired cartilages

9

laryngeal skeleton:

unpaired cartilages (3)

thyroid cartilage
cricoid cartilage
epiglottic cartilage

10

laryngeal skeleton:

paired cartilages (3)

arytenoid cartilage
cuneiform cartilages
corniculate cartilages

11

laryngeal skeleton:
unpaired cartilages:
thyroid cartilage:
landmarks:

___
___ (external)
___ (internal)
___ notch
___ & ___

laminae
laryngeal prominence (external)
thyroid angle (internal)
superior thyroid notch
superior & inferior horns or cornua

12

laryngeal skeleton:
unpaired cartilages:
cricoid cartilage:
landmarks:

___
___
___ surface
___ surface

arch
lamina
cricothyroid articular surface
cricoarytenoid articular surface

13

laryngeal skeleton:
unpaired cartilages:
epiglottic cartilage:
landmarks:

___
___ plate

stalk
epiglottic plate

14

laryngeal skeleton:
paired cartilages:
arytenoid cartilage:
landmarks:

___
___
___ process
___ process

base
apex
vocal process
muscular process

15

laryngeal articulations (2)

synovial articulations
membranous articulations

16

laryngeal articulations:
synovial articulations (2)

cricothyroid joint
cricoarytenoid joint

17

laryngeal articulations:
membranous articulations (2)

extrinsic membranes
intrinsic membranes

18

laryngeal articulations:
membranous articulations:
extrinsic membranes (2)

thyrohyoid membrane
cricotracheal membrane

19

laryngeal articulations:
membranous articulations:
intrinsic membranes (3)

quadrangular membrane
cricothyroid membrane
median cricothyroid ligament

20

laryngeal articulations:
membranous articulations:
intrinsic membranes:

consists of ___ & ___ parts of a continuous elastic membrane: ___

superior & infeiror parts
conus elasticus

21

laryngeal muscles (2)

extrinsic
intrinsic

22

laryngeal muscles:
extrinsic:

the ___ & ___ muscles for ___ & ___

suprahyoid & infrahyoid msucles
phonation & deglutition

23

laryngeal muscles:
intrinsic:

these relatively (large/small) muscles provide ___, ___, & ___ functions

small

sphincteric
respiratory
phonatory

24

laryngeal muscles:
intrinsic (2)

sphincteric group
respiratory & phonatory group

25

laryngeal muscles:
intrinsic:
sphincteric group:

circumferential muscles that act to close the ___ & ___

four muscles (4)

aditus & ventricular folds

aryepiglottic muscle
oblique arytenoids muscle
thyroepiglottic muscle
thyroarytenoid muscle

26

laryngeal muscles:
intrinsic:
respiratory & phonatory group:

___ muscles that act on the ___ articulations to change the openings & length of the ___

strap muscles
laryngeal artiuclations
vocal folds

27

laryngeal muscles:
intrinsic:
respiratory & phonatory group:

___ muscle (abducts the vocal folds)
___ muscle (adducts the vocal folds)
___ muscle (adducts the vocal folds)
___ muscle (lengthens & tenses the vocal folds)
___ muscle (shortens & relaxes the vocal folds)
___ muscle (shortens & relaxes the vocal folds)

posterior cricoarytenoid muslce
lateral cricoarytenoid muscle
transverse arytenoid muscle
cricothyroid muslce
thyroarytenoid muscle
vocalis muscle

28

layrngeal nerve supply:

from ___ nerve

two nerves (2)

vagus

superoir laryngeal nerve
inferior (recurrent) laryngeal nerve

29

laryngeal nerve supply:
superior laryngeal nerve:

two branches (2)

external branch
internal branch

30

laryngeal nerve supply:
superior laryngeal nerve:
external branch:

(sensory/motor) to the ___ muscle

motor
cricothyroid muscle

31

laryngeal nerve supply:
superior laryngeal nerve:
internal branch:

(sensory/motor) to the upper & middle regions of the ___ cavity

sensory
laryngeal cavity

32

laryngeal nerve supply:
inferior (recurrent) laryngeal nerve:

(sensory/motor) to remaining ___ muscles

(sensory/motor) to lower ___ cavity

motor
intrinsic muscles

sensory
laryngeal cavity

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