[Anatomical case on the middle meatus of the nasal cavity]

A serie of 20 dissections carried out in the anatomy Laboratory enabled us to make a close observation of the middle meatus of the nasal cavity. Certain anatomical parts such as the bulla, the unciform process, the ostia of the maxillary and frontal sinus are relatively set in their positions, but quite variable in their shape and size. This knowledge is now indispensable, at a time when endonasal microsurgery has become commonplace in ENT.