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choana |
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choana /cho·a·na/ (ko´ah-nah) pl. cho´anae [L.] 1. infundibulum. 2. [pl.] the paired openings between the nasal cavity and the nasopharynx.
choana [kō′ənə] pl. choanae, a funnel-shaped channel. See also posterior nares. choana pl. choanae [L.] 1. any funnel-shaped cavity or infundibulum. 2. choanae, the paired openings between the nasal cavity and the nasopharynx. 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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Choanal polyps are benign masses that protrude through the choana into the nasopharynx. However, nasal endoscopy revealed that a large polypoid mass had filled the fight superior nasal cavity and extended into the posterior choana (figure 1). The route of entry is usually anterior, although some foreign bodies have been reported to have entered through the choana during vomiting or coughing. |
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