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piriform aperture

noun

variants or pyriform aperture
: the anterior opening of the nasal cavities in the skull

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piriform
piriform aperture
piriform cortex
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Cite this Entry

“Piriform aperture.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/piriform%20aperture. Accessed 2 Dec. 2025.

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