Maxillary Sinus Anatomy

The anterior ostiomeatal unit omu is comprised of the frontal sinus ostium frontal sinus drainage pathway fsdp maxillary sinus ostium infundibulum and middle meatus. The two maxillary sinuses are located below the cheeks above the teeth and on the sides of the nose.

Surgical Anatomy Of Maxillary Sinus Note On 2

Each is a pyramidal space its roof formed by the floor of the eye socket and its floor by.

Maxillary sinus anatomy. The symptoms of sinusitis are headache usually near the involved sinus and foul smelling nasal or pharyngeal discharge possibly with some systemic signs of infection such as fever and weakness. Introduction paranasal sinuses air containing bony spaces present. Embryology of maxillary sinus3.

The skin over the involved sinus can be tender hot and even reddened due to the inflammatory process in the area. The maxillary sinuses are shaped like a pyramid and each contain three cavities which point sideways inwards and downwards. Each is pyramid shaped with the laterally pointed top and the base deep towards the lateral wall of the neighboring nasal cavity.

Anatomy of maxillary sinus4. The maxillary sinus is the largest of the paranasal sinuses. The maxillary sinus ostium drains into the infundibulum which joins the hiatus semilunaris and drains into the middle meatus.

Venous drainage anteriorly is via the sphenopalatine vein and posteriorly via. Paranasal air sinuses the maxillary sinuses are not only the largest of the air sinuses but also the first to appear being present in the fourth month of intrauterine life. Surgical anatomy of maxillary sinus note on 2 1.

The maxillary sinus or antrum of highmore lies within the body of the maxillary bone and is the largest and first to develop of the paranasal sinuses figure 22 9. Surgical anatomy of maxillary sinus note on oaf dr. Described as a pyramid the maxillary sinuses have a base on the lateral border.

Small arteries from the facial maxillary infraorbital. These important structures connect the frontal anterior ethmoid and maxillary sinuses. The maxillary sinuses were first illustrated and described by leonardo da vinci in 1489 and later documented by the english anatomist nathaniel highmore in 1651.

The maxillary sinuses are the largest of the paranasal sinuses located one on each side as well as totally fill the bodies of the maxillae.

Maxillary Sinus Earth S Lab