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The pterygomaxillary fissure is a fissure of the human skull. It is vertical, and descends at right angles from the medial end of the inferior orbital fissure . It is a triangular interval, formed by the divergence of the maxilla from the pterygoid process of the sphenoid .
The nerves exit the pterygopalatine fossa through the pterygomaxillary fissure. They pass within or upon the posterior wall of the maxilla. [1]: 496 They descend on the tuberosity of the maxilla and give off several twigs to the gums and neighboring parts of the mucous membrane of the cheek. [citation needed]
It is the indented area medial to the pterygomaxillary fissure leading into the sphenopalatine foramen. It communicates with the nasal and oral cavities, infratemporal fossa, orbit, pharynx, and middle cranial fossa through eight foramina. [2]
It is connected to the pterygopalatine fossa through the pterygomaxillary fissure. It is connected to the orbit through the inferior orbital fissure. It is also connected to the parapharyngeal space. The inferior orbital fissure and the pterygomaxillary fissure form a T shape together.
Each maxilla also enters into the formation of two fossae: the infratemporal and pterygopalatine, and two fissures, the inferior orbital and pterygomaxillary. -When the tender bones of the upper jaw and lower nostril are severely or repetitively damaged, at any age the surrounding cartilage can begin to deteriorate just as it does after death.
Apical foramen, the opening at the tip of the root of a tooth; Foramen ovale (heart), an opening between the venous and arterial sides of the fetal heart Foramen transversarium, one of a pair of openings in each cervical vertebra, in which the vertebral artery travels
In neuroanatomy, the maxillary nerve (V 2) is one of the three branches or divisions of the trigeminal nerve, the fifth (CN V) cranial nerve.It comprises the principal functions of sensation from the maxilla, nasal cavity, sinuses, the palate and subsequently that of the mid-face, [1] and is intermediate, both in position and size, between the ophthalmic nerve and the mandibular nerve.
The greater palatine canal starts on the inferior aspect of the pterygopalatine fossa.It goes through the maxilla and palatine bones to reach the palate, ending at the greater palatine foramen.