middle meatus การใช้

Most inhaled airflow travels between the inferior turbinate and the middle meatus.
The middle meatus is the middle-sized and located nasal opening, lying underneath the middle concha and above the inferior concha where the meatus extends along its length.
The area in front of this furrow forms part of the middle meatus of the nose; that behind it articulates with the ethmoid, and completes some of the anterior ethmoidal cells.
And more in 30 & 70 years of age . When the mucosa of maxillary antrum is inflamed and edematous Antrochoanal Polyps arise . They pass from the maxillary ostium into the middle meatus.
When the anterior end of the uncinate process fuses with the front part of the bulla, however, this continuity is interrupted and the frontonasal duct then drains directly into the anterior end of the middle meatus.