choana

  • n.后鼻孔;漏斗
choanachoana
  1. The inspection could not be finished because of stricture of unilateral choana and nasopharynx caused by deflection of nasal septum in cases , and bilateral rhinostenosis in .

    例因鼻中隔偏曲导致一侧后鼻孔和鼻咽部无法检查,例因双侧鼻腔狭窄无法检查,其余9例均可检查。