Nasal meatuses

Nasal meatuses

1

Effect of the Distributary of Nasal Meatuses on Olfaction

研究鼻道的分流作用对嗅觉反应的影响
2

The results showed that the ethmoid sinus began its development at about 21-23 weeks of fetal life . The frontal folds or furrows were formed by extensions or evaginations of the nasal mucous membrane from the superior and lateral wall of the middle and superior nasal meatuses .

结果表明，筛窦在胚胎第21～23周开始发生，即在中、上鼻道的外侧壁和顶部，由鼻粘膜下陷形成额襞和额沟。
3

The ethmoid cells appeared at 24-26 weeks and they kept their own small ostia that opened into the middle and superior nasal meatuses .

24～26周形成筛小房，并有微小窦口与上鼻道和中鼻道相通。