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posterior nares |
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posterior nares, a pair of posterior internal openings in the nasal cavity connecting it with the nasopharynx and allowing the inhalation and exhalation of air. Each is an oval aperture that measures about 2.5 cm vertically and is about 1.5 cm in diameter. Also called choanae. Compare anterior nares. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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