Maxillary Anatomy

The maxillary sinuses are shaped like a pyramid and each contain three cavities which point sideways inwards and downwards. In humans the maxilla consists of.

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The body of the maxilla.

Maxillary anatomy. The two maxillary sinuses are located below the cheeks above the teeth and on the sides of the nose. Each maxilla has four processes frontal zygomatic alveolar and palatine and helps form the orbit roof of the mouth and the lateral walls of the nasal cavity. Forms a large part of nasal floor and anterior three fourths of hard palate.

Anteriorly in the midline articulation of both palatine processes is the incisive canal which transmits the nasopalatine nerve and branches of the greater palatine vessels. The maxillary sinus is the largest of the paranasal sinuses. Maxilla bone anatomy the two maxilla or maxillary bones maxillae plural form the upper jaw l mala jaw.

The maxillary bones on each side join in the middle at the intermaxillary suture a fused line that is created by the union of the right and left halves of the maxilla bone. Contains two grooves posterolaterally that transmit the greater palatine vessels and nerves. The maxillary artery is one of the two terminal divisions of the external carotid artery in the head.

Therefore the maxillary artery can be defined as one of the continuations of the external carotid artery and distributes the blood flow to the upper maxilla and lower mandible jaw bones deep facial areas cerebral dura mater and the nasal cavity. The maxilla consists of the body and its four projections. The maxilla forms the upper jaw by fusing together two irregularly shaped bones along the median palatine suture located at the midline of the roof of the mouth.

The second terminal branch is the superficial temporal artery. Three surfaces anterior posterior medial. From a medial view the maxillary hiatus is evident opening into the maxillary sinus that occupies the predominant portion of the body of the maxilla.

Projects medially from lowest part of medial aspect of maxilla. Midline incisive fossa behind.

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