Larynx Flashcards
larynx is also known as the ____ ___
voice box
larynx is situated ____ in the neck, below the ____ bone and ____
anteriorly
hyoid
tongue
larynx has a marked projection called the ___ ___ or ___ ___
laryngeal prominence
adams apple
anterior to the larynx is ___ and ___
skin
fasciae
lateral to the larynx are ____, ____ gland, ____ ___ of the neck, and the ___ nerves
muscles
thyroid
great vessels
vagus
posterior to the larynx is the ___ ___ and ___ ___ separated from them by the laryngopharynx
vertebral column
prevertebral muscles
3 fxns of the larynx
organs of vocalization or phonation
air passage
sphincter
the larynx is between the root of the ____ and the ___
tongue
trachea
in the adult, the larynx extends from what vertebrae?
C3-C6`
the larynx communicates superiorly with the ____ through the laryngeal inlet
laryngopharynx
larynx communicates superiorly with the laryngopharynx through the ___ ___
laryngeal inlet
larynx communicates with the ____ inferiorly
trachea
larynx has a skeleton framework of cartilages connected by ______ and _____, and moved by ___
membranes
ligaments
muscles
3 unpaired cartilages of the larynx
thyroid
cricoid
epiglottis
3 paired cartilages of the larynx
arytenoids
corniculates
cuneiforms
extrinsic membranes and ligaments attach structures inside the larynx to those ____
outside
intrinsic membranes and ligaments attach structures of the larynx ____
together
thyroid cartilage is a ____ cartilage located under the ___ bone
hyaline
hyoid
thyroid cartilage is made up of two ____ meeting in the middle
laminae
posterior border of thyroid cartilage extends upward to form the ___ __ and downward to form the ___ ___
superior horn
inferior horn
oblique line of the thyroid cartilage serves as ___ ___
muscle attachment
cricothyroid is between the ___ ___ of the hyoid cartilage and the lateral side of the ___ ___
inferior cornu
cricoid cartilage
thyroid cartilage attaches to the cricoid by the ____ ligament
cricothyroid
thyroid cartilage attaches to the epiglottis by the ____ ligament
thyroepiglottic
thyroid cartilage attaches to the vocal process of arytenoid by the ___ ligament
vocal
thyroid cartilage attaches to the hyoid bone by the ___ membrane
thryohyoid
cricoid cartilage is at the level of ___
C6
cricoid cartilage is a ___ cartilage shaped like a signet ring
hyaline
cricoid cartilage consists of an anterior ___ and posterior ___ ____
arch
quadrangular lamina
cricoid cartilage attaches to thyroid by ____ ligament
cricothyroid
cricoid cartilage attaches to the trachea by the ___ ligament
cricotracheal
arytenoid cartilages are a pair of cartilages located on the lateral side of the superior border of ___ ___
cricoid lamina
arytenoid cartilages has ___ sides, with ___ surface; a ____, a ____, and _ processes: ____ and ____
3 3 base apex 2 vocal muscular
arytenoid cartilages has 2 articulations
cricoid lamina
corniculate cartilage
arytenoid cartilages has attachment to the thyroid cartilage by the ___ ligament
vocal
arytenoid cartilages has attachment to the epiglottis by the _____ membrane
quadrangular
aryepiglottic ligament + mucous membrane = ____ ___
aryepiglottic fold
what is the lateral boundary of the laryngeal inlet?
aryepiglottic fold
___ lies anterior to the laryngeal inlet
epiglottis
the ____ cartilage lies posterior to the laryngeal inlet
corniculate
2 articulations of the cricoid cartilage
cricothyroid
cricoarytenoid
epiglottic cartilage is a leaf like ____ cartilage which projects upward behind the ___ and ___ bone
elastic
tongue
hyoid
epiglottic cartilage is attached to the back of the ___ cartilage
thyroid
during deglutition, the epiglottic cartilage bends back over the ____ ___
laryngeal inlet
epiglottic cartilage has 4 attachments
thyroid
hyoid
arytenoid
tongue
epiglottic cartilage attaches to the hyoid anteriorly through the _____ ligaments
hyoidepiglottic