The uncinate fragment is then grasped and removed as one piece.This should bring into view the opening of the maxillary sinus and facilitate subsequent maxillary sinus meatotomy.
The adjacent structures of the ostia differ from each other by the different location of the ostium.The clinical significance of the ostium and the nasofrontal duct were discussed.
Performation of surgical procedures anterior to ethmoid bulla can avoid risks of the other models, therefore, endoscopic frontal sinusotomy in the route anterior to ethmoid bulla is a safe model.
The chimney is the arc screen board, upside inserts the fish hypogastric the aperture, lower part inserts in the lamp panel, may control rotates opens and closes, adjusts the luminosity willfully.
This article focuses on the working principle of inkle loom mechanism and takes certain kind of shoestring as anexample to explain the logon chart and the way to plait the dobby chain.