pyriform sinus

A form of piriform sinus — A small cavity or pocket between the lateral walls of the pharynx on each side and the upper part of the larynx.

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Meanings

nounpyriform sinus (plural pyriform sinuses)

plural pyriform sinuses

  1. alternativeanatomyAlternative spelling of piriform sinus.
Cite this entry
APA

pyriform sinus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pyriform%20sinus

MLA

“pyriform sinus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pyriform%20sinus. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pyriform sinus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pyriform%20sinus.

Source: pyriform sinus on Wiktionary, CC BY-SA 4.0.