interarytenoid notch

in·ter·ar·y·te·noid notch

the indentation of the posterior portion of the aditus laryngeal inlet between the two arytenoid cartilages.
Synonym(s): incisura interarytenoidea [TA]
Farlex Partner Medical Dictionary © Farlex 2012
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The vocal cords and interarytenoid notch could not be visualized.
The optimal view of the larynx that could be achieved with each blade was scored according to the Cormack and Lehane (CL) classification, and the percentage of glottic opening (POGO) score (0 to 100%, 100 = full view of glottis from anterior commissure to the interarytenoid notch, 0=even interarytenoid notch is not seen).