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Lab 32 - Larynx
Question | Answer |
---|---|
Cricothyroid M | O:Anterolateral Cricoid cartilage. I:Inferior horn/margin of thyroid. I:External Laryngeal N. A:RAISES PITCH by tensing vocal cord muscles |
Thyro-arytenoid M | O:Cricothyroid ligament and lower thyroid laminae. I:Anterolateral Arytenoid. I:Inferior laryngeal N. A:LOWERS PITCH by relaxing vocal cords |
Posterior Cricothyroid M | O:Posterior Laminae of cricoid cartilage. I:Vocal process of arytenoids. I:Internal laryngeal N. A:RAISES VOLUME Abducts vocal folds |
Lateral Cricothyroid M | O:Arch of cricoid cartilage. I:Vocal process of arytenoid cartilage. I:Inferior Laryngel N. A:LOWERS VOLUME adducts vocal folds |
Arytenoids M | O:Arytenoid cartilage. I:Contralateral arytenoid cartilage. I:Inferior laryngeal N. A:LOWERS VOLUME adducts vocal folds |
Vocalis M | O: Lateral surface of vocal process of Arytenoids. I:Ipsilateral vocal ligament. I:Inferior Laryngeal N. A:Fine tune volume control |
Rima Glottidis | The transverse space within the middle larynx directly between the two true vocal folds |
Laryngeal Ventricle | Space between the true and vesitibular folds |
Piriform Fossa | Located on either of the laryngeal orifice, between the thyroid cartilage and the arytenoid cartilage. **Things can get caught here. |
Laryngopharynx | Posterior to the larynx and inferior to the oropharynx |