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Anatomic section of choanal atresia
Anatomic section of choanal atresia
Anatomic section of bilateral choanal atresia, the obliteration or blockage of the posterior nasal aperture.
*: choanae, u: uvula.
Courtesy of Glenn C Isaacson, MD, FAAP, FACS.
Graphic 50816 Version 2.0
