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The palatovaginal canal (also pharyngeal canal) is a small canal formed between the sphenoidal process of palatine bone, and vaginal process of sphenoid bone. [1]: 508 It connects the pterygopalatine fossa and [1]: 370 and nasal cavity.
The sphenopalatine foramen is situated posterior to the middle nasal meatus orbital process of palatine bone, anterior to the sphenoidal process of palatine bone, inferior to the body and concha [clarification needed] of the sphenoid bone, and superior to the superior margin of the perpendicular plate of palatine bone. [1]
In most cases, the posterior septal artery divides from the sphenopalatine artery in the pterygopalatine fossa. [2] This part of the posterior septal artery is called the pterygopalatine segment. [1] The posterior septal artery passes through the sphenopalatine foramen to enter the nasal cavity. [2]
The sphenopalatine foramen is the opening between the sphenoid bone and orbital processes of the palatine bone; it opens into the nasal cavity and gives passage to branches from the pterygopalatine ganglion and the sphenopalatine artery from the maxillary artery.
The anterior border forms the posterior boundary of the sphenopalatine notch. [1] The posterior border, serrated at the expense of the outer table, [citation needed] articulates with the vaginal process of the medial pterygoid plate of sphenoid bone. [1] The medial border articulates with ala of vomer. [1]
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In human anatomy, the pterygopalatine fossa (sphenopalatine fossa) is a fossa in the skull. A human skull contains two pterygopalatine fossae—one on the left side, and another on the right side. A human skull contains two pterygopalatine fossae—one on the left side, and another on the right side.
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