filtrum ventriculi

fil·trum ven·tric·'u·li

a groove between the two prominences, in each lateral wall of the vestibule of the larynx, formed by the cuneiform and the arytenoid cartilages.

filtrum ventriculi

An obsolete term that formerly dignified a shallow vertical groove located on the posterior part of the aryepiglottic fold between the corniculate and cuneiform cartilages, which is contiguous with the sinus of the larynx.

Merkel,

Karl L., German anatomist and laryngologist, 1812-1876.
Merkel filtrum ventriculi - a groove between the two prominences in each lateral wall of the vestibule of the larynx. Synonym(s): filtrum ventriculi
Merkel fossa - a groove in the posterolateral wall of the vestibule of the larynx between the corniculate and cuneiform cartilages.
Merkel muscle - a fasciculus from the posterior cricoarytenoid muscle inserted into the inferior horn of the thyroid cartilage. Synonym(s): ceratocricoid muscle