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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 a foramen of the skull that connects the nasal cavity and the pterygopalatine fossa. It gives passage to the sphenopalatine artery , nasopalatine nerve , and the superior nasal nerve (all passing from the pterygopalatine fossa into the nasal cavity).
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]
Print/export Download as PDF; Printable version; ... Sphenopalatine foramen; Stylomastoid foramen; Sulcus of auditory tube; Superior orbital fissure;
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]
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.
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; Greater sciatic foramen, a major foramen of the pelvis
From behind, the sphenopalatine foramen opens into the cavity of the superior meatus and the meatus communicates with the posterior ethmoidal cells. Above and at the back of the superior concha is the sphenoethmoidal recess which the sphenoidal sinus opens into. The superior meatus occupies the middle third of the nasal cavity’s lateral wall.