Medical Term:

paraglottic space

 

Definition: the space on each side of the glottis bounded laterally by the perichondrium of the thyroid cartilage and the cricothyroid membrane and posteriorly by the mucous membrane of the pyriform sinus; anterosuperiorly it extends into the preepiglottic space. It is an important route of transglottic and extralaryngeal spread of carcinoma of the larynx.

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