Piriform sinus

（重定向自Pyriform fossa）

On either side of the laryngeal orifice is a recess, termed the piriform sinus (also piriform recess, pyriform sinus, piriform fossa, smuggler's fossa or vallecula of throat), which is bounded medially by the aryepiglottic fold, laterally by the thyroid cartilage and thyrohyoid membrane. The fossae are involved in speech.

单词	Pyriform fossa
释义	Pyriform fossa 英语百科 Piriform sinus （重定向自Pyriform fossa） On either side of the laryngeal orifice is a recess, termed the piriform sinus (also piriform recess, pyriform sinus, piriform fossa, smuggler's fossa or vallecula of throat), which is bounded medially by the aryepiglottic fold, laterally by the thyroid cartilage and thyrohyoid membrane. The fossae are involved in speech.
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