| sacculus laryngis | A small diverticulum provided with mucous glands extending upward from the ventricle of the larynx between the vestibular fold and the lamina of the thyroid cartilage; it is a vestigial structure, being a much larger structure interdigitating with the neck musculature in some of the great apes where it serves as a resonating chamber. Synonym: sacculus laryngis, appendix ventriculi laryngis, Hilton's sac, laryngeal pouch. Origin: L. Sacculus (05 Mar 2000) |
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| tunica mucosa laryngis | The mucous lining of the larynx; mainly stratified squamous epithelium in the upper part and ciliated columnar in the lower part of the larynx. (12 Dec 1998) |