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22 Cards in this Set
- Front
- Back
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What connects the pharynx and the trachea? What are the functions of this structure?
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The Larynx
Prevents inspiration of foreign material and aids in vocalization |
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What are the cranial and caudal articulations of the larynx?
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Cranial - thyrohyoid bone
Caudal - trachea |
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Name the four cartilages of the larynx. Which are paired?
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Epiglottis
Thyroid Arytenoid (paired) Cricoid |
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What kind of cartilage is the epiglottis made of?
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Elastic cartilage
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Name the passages traversed from the lips to the esophagus that a bolus of food passes.
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Oral cavity
Oropharynx Laryngopharynx Esophagus |
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Identify the cartilages in this image or forever be retarded
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A - Epiglottis
B - Thyroid C - Arytenoid D - Cricoid |
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Where does the apex of the epiglottis normally lie with respect to the soft palate?
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The apex lies dorsal to the soft palate
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What cartilage is this? ID the regions, yo.
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Thyroid cartilage.
A - Rostral cornu B - Lamina C - Caudal cornu |
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Which cartilage is this? From what species? ID the regions
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Arytenoid cartilage, canid
A - Cuneiform process B - Corniculate process C - Muscular process D - Vocal process E - Cricoarytenoid articulation |
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What attaches to the vocal process?
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Vocalis m.
Vocal ligament |
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T or F:
In dogs vs. cats, only dogs have both the vestibular fold and the corniculate process of the arytenoid. |
True, believe it or not!
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What structure is the false vocal fold?
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Vestibular fold
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ID these laryngeal structures
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A - Laryngeal ventricle
B - Vestibular fold C - Vocal fold D - Aryepiglottic fold E - Vocal ligament F - Vocalis m. |
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What structures constitute the glottis? What is the narrow passageway at the center of the glottis called?
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dorsal - arytenoid cartilages
ventral - vocal folds Glottic cavity (rima glottidis, glottic cleft) |
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What nerve(s) innervate the laryngeal muscles? What is the embryologic origin for these muscles?
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Cranial nerve X
4th pharyngeal arch |
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ID these laryngeal muscles
What do C + D comprise? Note: A is cut |
A - Thyrohyoid m. (cut)
B - Cricothyroideus m. C - Ventricularis m. D - Vocalis m. E - Lateral cricoarytenoid m. F - Dorsal cricoarytenoid m. C + D = thyroarytenoid m. |
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Which laryngeal muscle(s) raise vocal pitch?
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Cricothyroideus m.
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Which laryngeal muscle(s) lowers vocal pitch?
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Vocalis m.
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Which laryngeal muscle(s) open the glottis?
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Cricoarytenoideus dorsalis m.
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Which laryngeal muscle(s) closes the glottis?
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Cricoarytenoideus lateralis m.
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Which laryngeal muscle(s) constricts the glottis?
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Thyroarytenoideus m.
Ventricularis m. |
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ID all this random crap
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1' - Mandible
2 - Soft Palate 3 - Hyoid apparatus (epihyoid) 4 - Basihyoid 5 - Epiglottis 6 - tympanic bulla 7' - wings of atlas 8 - thyroid cartilage 9 - cricoid cartilage 10 - trachea 11 - esophagus (air) |
