posterior nasal spine

noun

Medical Definition of posterior nasal spine

: the nasal spine that is formed by the union of processes of the two palatine bones and projects between the choanae

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posterior naris

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posterior pillar of the fauces

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Cite this Entry

“Posterior nasal spine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/posterior%20nasal%20spine. Accessed 28 Jun. 2022.

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