Term
| what are the functions of the larynx |
|
Definition
| link pharynx to trachea, sphincter, sound production |
|
|
Term
| how does the larynx act as a sphincter |
|
Definition
| prevents passage of solids and liquids from the pharynx to the air passages below |
|
|
Term
| how does the larynx act in sound production |
|
Definition
| controls expulsion of air from the lungs to make sounds |
|
|
Term
| what are the unpaired cartilages of the larynx |
|
Definition
| thyroid, cricoid, epiglottis |
|
|
Term
| what are the paired cartilages of the larynx |
|
Definition
| artenoid, corniculate, cuneiform |
|
|
Term
| what is the thyroid cartilages made of |
|
Definition
| plate like laminae that fuse anterior to form laryngeal prominence |
|
|
Term
| what is another name for the laryngeal prominence |
|
Definition
|
|
Term
| the posterior border of the lamina of the thyroid cartilage projects inferior and superior forming |
|
Definition
| inferior and superior horns |
|
|
Term
| what do the inferior horns of the thyroid cartilage articulate with |
|
Definition
|
|
Term
| where is the oblique line |
|
Definition
| ridge on lateral aspect of thyroid cartilage |
|
|
Term
| what attaches to the oblique line |
|
Definition
| sternothyroid, thyrohyoid, inferior pharyngeal constrictors |
|
|
Term
| what is the shape of the cricoid cartilage described as, why |
|
Definition
| signet rint, narrow arch anterior and wide lamina posterior |
|
|
Term
| what does the cricoid cartilage articulate with |
|
Definition
| inferior horn of thyroid cartilage |
|
|
Term
| where is the cricotracheal ligament |
|
Definition
| connected to first tracheal cartilage |
|
|
Term
| what is the epiglottis made of |
|
Definition
|
|
Term
| what is the inferior end of the epiglottis attached by ant to |
|
Definition
| thyroepiglottic ligament to angle formed by laminae of thyroid cartilage |
|
|
Term
| what is the anterior surface of the epiglottis attached to, by what |
|
Definition
| body of hyoid by hyoepiglottic ligament |
|
|
Term
| where are the pyrmaidal cartilages of the artenoid cartilages located |
|
Definition
| on each side of the superior border of the cricoid lamina |
|
|
Term
| what attaches to the vocal process od the artenoid cartilages |
|
Definition
|
|
Term
| what attaches to the muscular process of the artenoid cartilages |
|
Definition
| posterior and lateral cricoarytehoid muscles |
|
|
Term
| what are the parts of the arytenoid cartilage |
|
Definition
| two pyrmidal cartilages, vocal process, muscular process |
|
|
Term
| what type of joint is the cricothyroid joint |
|
Definition
|
|
Term
| where is the cricothyroid joint located |
|
Definition
| between articular facets on lateral aspect of cricoid cartilage and inferior horn of thyroig ccartilage |
|
|
Term
| what does the criothyroid cartilage allow to happen |
|
Definition
| thrydoig cartilage to tilt forward and backward on cricoid cartilage |
|
|
Term
| where is the cricoarytehoid joint located |
|
Definition
| between articular facent on superior border of cricoid lamina and base of arytehoid cartilage |
|
|
Term
| what movement does the cricoarytenod joint allow |
|
Definition
| rotation of arytehoid around vertical axis and gliding of arytehoid anteroposterior and medial to lateral |
|
|
Term
| what are the membranes and ligaments of the larynx |
|
Definition
| thyrohyoid membrane, cricotracheal ligement, hyoepiglotic the thyroepiglotic ligaments |
|
|
Term
| what is the function of the thyrohyoid membrane |
|
Definition
| suspend larynx from hyoid bone |
|
|
Term
| what is the thyrohyoid membrane connected to |
|
Definition
| body and greater horn of hyoid to upper border and superior horns of thyroid |
|
|
Term
| what does the cricotracheal ligament connect |
|
Definition
| inferior border of cricoid cartilage to first tracheal cartilage |
|
|
Term
| what dos the hypepiglotic and thyroepiglottic ligaments connect |
|
Definition
| epiglottis to hyoid bone and thyroig cartilage |
|
|
Term
| what is the laryngeal inlet |
|
Definition
| communication between laryngopharynx and larynx |
|
|
Term
| what does the plant of the laryngeal inlet pass posterior and inferior to |
|
Definition
| epiglottis and artenoid cartilages |
|
|
Term
| what is the anterior boundry of the laryngeal inlet |
|
Definition
| superior border of epiglottis |
|
|
Term
| what is the lateral boundry of the laryngeal inlet |
|
Definition
|
|
Term
| what does the eryepiglottic fold contain, where at |
|
Definition
| corniculate and cuneiform cartilages, in posterior part |
|
|
Term
| what is the posterior boundry of the laryngeal inlet |
|
Definition
|
|
Term
| where is the laryngeal vestibule located |
|
Definition
|
|
Term
| what does the laryngeal vestibule extend from |
|
Definition
| laryngeal inlet to mucosal folds (vestibular folds) |
|
|
Term
| what is the rimi vestibuli |
|
Definition
| space between right and left vestibular folds |
|
|
Term
| what is the laryngeal ventricle |
|
Definition
| space between vestibular and vocal folds on each side |
|
|
Term
| what does the laryngeal ventricle extend to, what is it called at its end |
|
Definition
| to vestibular fold, laryngeal saccule |
|
|
Term
| what does the laryngeal ventricle mucosa contain, why |
|
Definition
| many mucous glands to lubricate vocal folds |
|
|
Term
| what do the vocal folds contain |
|
Definition
|
|
Term
| what is the rima glottidis |
|
Definition
| space between right and left vocal folds |
|
|
Term
| what are the parts of the rima glottidis |
|
Definition
| intermembranous (anterior), intercartilaginous |
|
|
Term
| compare the size of the rima glottidis to rima vestibuli |
|
Definition
|
|
Term
| what changes shape of rima glottidis |
|
Definition
| width and shape of vocal folds and arytehoid cartilages |
|
|
Term
| what are the extrinsic muscles of the larynx |
|
Definition
| suprahyoid, longitudinal, pharyngeal muscles, infrahyoid muscles |
|
|
Term
| what do the pharyngeal muscles do to the larynx |
|
Definition
|
|
Term
| what do the infrahyoid muscles do to the larynx |
|
Definition
|
|
Term
| what do the extrinsic muscles do to the larynx overall |
|
Definition
|
|
Term
| what do the intrinsic muscles do to the larynx |
|
Definition
| move individual laryngeal cartilages |
|
|
Term
| where is the cricothyroid muscle located |
|
Definition
| external surface of larynx |
|
|
Term
| what is the action of the cricothyroid muscles |
|
Definition
| tilt thyroud cartilage forward to increase distance between thyroid and arytehoid cartilages, tensing vocal cords |
|
|
Term
| what does the thyroarytehoid muscle do |
|
Definition
| draws arytenoid cartilage forward, bringing vocal ligaments closer, relaxing vocal fold |
|
|
Term
| what are the parts of the thyroarytenoid |
|
Definition
| vocalis m, thyroepiglottic m |
|
|
Term
| where is the vocalis muscle located |
|
Definition
| most medial fibers of thyroarytenoid |
|
|
Term
| what does the vocalis muscle do |
|
Definition
|
|
Term
| where is the thyroepiglottic muscle located |
|
Definition
| superior extension of thyroarytehoid |
|
|
Term
| what does the thyroepiglottic muscle do |
|
Definition
|
|
Term
| what does the posterior cricoarytehoid do |
|
Definition
|
|
Term
| what does the lateral crioarytehoid do |
|
Definition
|
|
Term
| what does the transverse arytehoid attach to |
|
Definition
| posterior surface of arytehoid cartilages |
|
|
Term
| what does the transverse arytehoid do |
|
Definition
| slides arytehoid cartilages medial, adductor of vocal folds |
|
|
Term
| what does the oblique arytehoid do |
|
Definition
| with aryepiglottic it is a sphincter of laryngeal inet |
|
|
Term
| where is the oblique arytenoid in relation to transverse arytehoid |
|
Definition
|
|
Term
| what supplies the muscles of the larynx |
|
Definition
|
|
Term
| what does the superior laryngeal nerve divide into |
|
Definition
| internal and external laryngeal |
|
|
Term
| what is the superior laryngeal nerve a branch of |
|
Definition
|
|
Term
| what does the external laryngeal nerve innervate |
|
Definition
|
|
Term
| what branch of the vagus supplies the muscles of the larynx... except |
|
Definition
| recurrent laryngeal, except cricothyroid muscle |
|
|
Term
| what nerve pierces the thyrohyoid membrane |
|
Definition
|
|
Term
| what does the internal laryngeal supply |
|
Definition
| mucosa of internal larynx from inlet to vocal folds |
|
|
Term
| what does the recurrent laryngeal nerve supply |
|
Definition
| almost all muscles of larynx and its mucosa below the vocal folds |
|
|
Term
| what arteries supply the larynx |
|
Definition
|
|
Term
| how does the superior laryngeal artery get into the larynx |
|
Definition
| poerces thyrohyoid membrane |
|
|
Term
| how does the recurrent laryngeal nerve get into the larynx |
|
Definition
| Goes under inferior constrictor |
|
|
Term
| what does the inferior laryngeal artery accompany |
|
Definition
| recurrent laryngeal nerve |
|
|
Term
| what does the inferior laryngeal artery pass under |
|
Definition
|
|
Term
| what veins drin the larynx |
|
Definition
| superior and inferior laryngeal join the superior and inferior thyroid |
|
|
Term
| where does the superior thyroid vein drain into |
|
Definition
|
|
Term
| where does the inferior thyroid vein drain into |
|
Definition
|
|
Term
| when food passes through the laryngopharynx during swallowing, some of it enters the _________ on accident. it is possible it could become _________ |
|
Definition
| piriform recesses (fossae), lodged there |
|
|
Term
| what could happen if a sharp object pierces the mucosa of the piriform recess |
|
Definition
| injur the internal laryngeal nerve |
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