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The transverse arytenoid is an unpaired intrinsic muscle of the larynx. It is situated deep to the two oblique arytenoids; the oblique and transverse arytenoids are often considered two parts of a single muscle - the interarytenoid (arytenoid) muscle (which is then said to have an oblique part and a transverse part).
The posterior surface is triangular, smooth, concave, and gives attachment to the arytenoid muscle and transversus.. The antero-lateral surface is somewhat convex and rough. On it, near the apex of the cartilage, is a rounded elevation (colliculus) from which a ridge (crista arcuata) curves at first backward and then downward and forward to the vocal process.
Transverse arytenoid muscle adduct the arytenoid cartilages, ... pain in the throat or ears, and breathing difficulties. ... For example, the thyroid cartilage is ...
The arytenoid muscle / ær ɪ ˈ t iː n ɔɪ d / or interarytenoid muscle is a composite intrinsic muscle of the larynx, consisting of a transverse part and an oblique part - the two parts may be considered as separate muscles: an unpaired transverse arytenoid muscle, and a bilaterally paired oblique arytenoid muscle.
The cricothyroid ligament is named after the two structures it connects: the cricoid cartilage and the thyroid cartilage. It is also known as the cricothyroid membrane, and the cricovocal membrane. [3] The various parts of the cricothyroid ligament have been named in many different ways, which can cause confusion.
Vocal fold bowing, decreased vocal fold mobility, especially decreased mobility of the arytenoid cartilage, are often observed in vocal fold paresis. [4] [3] [5] Glottal insufficiency is another common symptom observed in vocal fold paresis. [3] [6] In this case, the vocal folds do not come together properly.
Posterior surface of muscular process of the arytenoid cartilage: Nerve: Recurrent laryngeal nerve branch of the vagus nerve (CN X) Actions: Abducts and laterally rotates arytenoid cartilage, pulling vocal ligaments away from the midline and forward and so opening rima glottidis: Antagonist: Lateral cricoarytenoid muscle: Identifiers; Latin
In roughly 1 out of every 100–200 people, the right inferior laryngeal nerve is nonrecurrent, branching off the vagus nerve around the level of the cricoid cartilage. Typically, such a configuration is accompanied by variation in the arrangement of the major arteries in the chest; most commonly, the right subclavian artery arises from the ...