Term
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Definition
| Common passageway for air and food that is 10-15cm long. Widest at hyoid bone and narrowest where it joins the esophagus. |
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Term
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Definition
Primary passageway of air into the body.
-respiration
-olfaction
-humidification
-phonation
-filtration |
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Term
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Definition
| Bone that lies against the superior surface of the nasal cavity. |
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Term
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Definition
| Tissue flaps in the nasal cavity that increase surface area for warming/humidification. |
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Term
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Definition
| pharyngeal (adenoids), lingual, and palatine (true tonsils) |
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Term
| Innervation of the anterior 2/3 of the tongue |
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Definition
| Lingual and chorda tympani (taste) V2 |
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Term
| Innervation of posterior 1/3 of tongue |
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Definition
| glossopharyngeal nerve (CNIX) |
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Term
| Motor Innervation of Tongue |
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Definition
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Term
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Definition
| structure that guards entrance to trachea. produces sound. |
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Term
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Definition
4-5mL
smaller in females and children. |
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Term
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Definition
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Term
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Definition
| Hyoid bone-suspends & anchors larynx |
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Term
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Definition
| Thyroid, cricoid, corniculates, cuneiforms, arytenoids, and epiglottis |
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Term
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Definition
| shield like shape with superior and inferior horns. Forms "adam's apple" |
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Term
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Definition
| Signet ring shape. Complete cartilage ring. Facets for articulating with thyroid cartilage and arytenoids. |
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Term
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Definition
| pyrimidal in shape. ball & socket joint with cricoid cartilage. |
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Term
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Definition
fibroelastic
aryepiglottic fold
more lateral bumps when looking at larynx |
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Term
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Definition
sesamoid
over arytenoids
more medial bumps when looking at larynx |
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Term
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Definition
| leaf-shaped, fibroelastic cartilage that covers trachea. |
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Term
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Definition
| connects hyoid bone to epiglottis. |
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Term
| Extrinsic muscles of the larynx |
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Definition
connect larynx w/hyoid
elevate larynx & structure |
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Term
| Intrinsic muscles of the larynx |
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Definition
adjust tension on vocal ligaments
open & close rima glottidis
control size of vestibule |
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Term
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Definition
Internal branch-sensory in laryngeal cavity--> vocal folds
External Branch-motor of cricothyroid muscle |
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Term
| Recurrent Laryngeal Nerve |
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Definition
innervates all other intrinsic laryngeal muscles
sensory below level of vocal cords |
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Term
| Laryngeal view during forced inspiration |
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Definition
vocal cords abducted
rima glottidis wide open
vestibule open |
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Term
| laryngeal view during phonation |
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Definition
vocal folds adducted and stridulating
vestibule open |
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Term
| Laryngeal view during effort closure |
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Definition
vocal and vestibular folds adducted
rima glottidis & vestuble closed |
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Term
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Definition
| involuntary reflex due to stimulation of the sup. laryngeal nerve, resulting in reflex closure of the glottis. |
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Term
| Causes of laryngeal spasm |
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Definition
| touch, heat, chimical stimuli (saliva, ET tubes, etc.) |
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Term
| Vocal Cord Palsies w/sup. laryngeal nerve damage |
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Definition
| damage to sup. laryngeal nerve causes cricothyroid muscle paralysis, resulting in hoarseness, wavy vocal cords, and frequent throat clearing. |
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Term
| VC paulsies with Rec. laryngeal nerve damage |
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Definition
| pure abductor, unilateral complete, bilateral abductor. (see pictures) |
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Term
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Definition
| vocal cords can't close & get wavy |
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