Jan 14, 2025 · The maxillary sinus (or antrum of Highmore) is a paired pyramid-shaped paranasal sinus within the maxillary bone which drains via the maxillary ostium into the infundibulum, …

maxillary sinus and passing through maxillary ostium or accessory ostium • Extends into nasal cavity and nasopharynx • Mucin density • Widens maxillary ostium

Extensive recent research using imaging has provided new insights into the development of the maxillary sinus, the other paranasal sinuses and the midface. The fundamental physiological …

Aug 20, 2019 · Maxillary Sinus. Each maxillary sinus is located within the maxillary bone and is the largest and most constant paranasal sinus. It is present at birth and shows a bimodal …

Dec 20, 2015 · The maxillary sinus is the largest of the sinuses. Its roof is formed by the orbital floor, which carries the bony canal for the infraorbital nerve; the medial wall is formed by the …

The middle meatus drains the frontal sinus via the nasofrontal recess, the maxillary sinus via the maxillary ostium, and the anterior ethmoid air cells via the ethmoid cell ostia. The nasolacrimal …

Dec 7, 2022 · Maxillary sinus. When evaluating the maxillary sinus, you should describe whether there is opacification, the appearance of the bony walls, and the outflow tract (the ostiomeatal …

Maxillary Sinus: Normal Anatomy & Variants. The maxillary sinuses usually develop symmetrically. The maxillary sinus ostium drains into the infundibulum which joins the hiatus …

The maxillary sinus borders with the orbital floor (superiorly), lateral nasal wall (medially) and the retromaxillary fat and pterygopalatine fossa (posteriorly) (f 5 frontal sinus, ae 5...

Shape - vaguely pyramidal with the base formed by the infra-temporal wall of the maxilla; the roof by the floor of the orbit. The floor is very thin and the apex of the second premolar and molar …