INTERARYTENOID Meaning and
Definition
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Interarytenoid refers to the muscles located between the arytenoid cartilages of the larynx, playing a crucial role in phonation. These small, triangular muscles are positioned at the posterior portion of the larynx and can be classified into two main types: the transverse interarytenoid muscle and the oblique interarytenoid muscle.
The transverse interarytenoid muscle runs horizontally and connects the lateral aspects of the arytenoid cartilages, functioning primarily to adduct the vocal folds. By contracting, it brings the arytenoid cartilages closer together, resulting in the closure of the vocal cords. This action is essential for several purposes, including preventing the entry of foreign substances into the respiratory tract and regulating airflow during speech production.
On the other hand, the oblique interarytenoid muscle runs obliquely between the arytenoid cartilages. Its primary function is to rotate the arytenoid cartilages medially, assisting in vocal cord adduction. The contraction of this muscle helps to maintain the tension and tightness of the vocal cords, resulting in the production of clear and precise sounds during speech.
The interarytenoid muscles are innervated by the recurrent laryngeal nerve, a branch of the vagus nerve, and are vital for normal phonation. Dysfunction or weakness in these muscles can lead to voice disorders such as vocal fold paralysis or vocal cord adductor spasmodic dysphonia, affecting the clarity, volume, and overall quality of an individual's voice.
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Between the arytenoid cartilages.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for INTERARYTENOID
- unterarytenoid
- jnterarytenoid
- knterarytenoid
- onterarytenoid
- 9nterarytenoid
- 8nterarytenoid
- ibterarytenoid
- imterarytenoid
- ijterarytenoid
- ihterarytenoid
- inrerarytenoid
- inferarytenoid
- ingerarytenoid
- inyerarytenoid
- in6erarytenoid
- in5erarytenoid
- intwrarytenoid
- intsrarytenoid
- intdrarytenoid
- intrrarytenoid
Etymology of INTERARYTENOID
The word "interarytenoid" is composed of two roots: "inter" and "arytenoid".
The root "inter" is derived from the Latin word "inter", meaning "between" or "among".
The root "arytenoid" comes from the Greek words "arytenēs" (ἀρυτηνής), meaning "pitcher" or "water jug", and "eidos" (εἶδος), meaning "form" or "shape". Arytenoid refers to the cartilages in the larynx that resemble a water pitcher or jug in shape.
Therefore, when combined, "interarytenoid" refers to the area or space between the arytenoid cartilages in the larynx.
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