choana

choana

1. primary choana

[医] 初鼻后孔

2. choana cerebri

[医] 大脑漏斗(下丘脑)

3. secondary choana

[医] 次鼻后孔

4. choana narium

[医] 鼻后孔

5. congenital atresia of choana

先天性鼻后孔闭锁

6. choana primary

初鼻后孔

7. primitive choana

原始后鼻孔

8. narium choana

后鼻孔

9. Choanal atresia is often related to the presence of a congenital abnormality and only a few cases involve the occurrence of mucosal fibrosis of the surrounding choana after trauma.

摘要后鼻孔闭锁大多数与先天性发育畸形有关，少部分因放射治疗导致后鼻孔周围黏膜组织伤害引起纤维化形成。

10. choana secondary

次鼻后孔

11. choana bony choanae

骨性鼻后孔

12. atresia of choana

鼻后孔闭锁