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The greater palatine artery is a branch of the descending palatine artery (a terminal branch of the maxillary artery) and contributes to the blood supply of the hard palate and nasal septum. Course [ edit ]
The greater palatine canal (or pterygopalatine canal) is a passage in the skull that transmits the descending palatine artery, vein, and greater and lesser palatine nerves between the pterygopalatine fossa and the oral cavity.
The greater palatine nerve is a branch of the pterygopalatine ganglion. It descends through the greater palatine canal, moving anteriorly and inferiorly. [1] [2] Here, it is accompanied by the descending palatine artery. [1] It emerges upon the hard palate through the greater palatine foramen.
It descends through the greater palatine canal with the greater and lesser palatine branches of the pterygopalatine ganglion, and, emerging from the greater palatine foramen, runs forward in a groove on the medial side of the alveolar border of the hard palate to the incisive canal; the terminal branch of the artery passes upward through this canal to anastomose with the sphenopalatine artery.
The maxillary artery, the larger of the two terminal branches of the external carotid artery, arises behind the neck of the mandible, and is at first imbedded in the substance of the parotid gland; it passes forward between the ramus of the mandible and the sphenomandibular ligament, and then runs, either superficial or deep to the lateral pterygoid muscle, to the pterygopalatine fossa.
Palatine arteries can refer to: Ascending palatine artery (arteria palatina ascendens) Descending palatine artery (arteria palatina descendens) Greater palatine artery (arteria palatina major) Lesser palatine arteries (arteriae palatinae minores)
the greater palatine artery, a branch of the maxillary artery, a branch of the external carotid artery. [1] [2] a septal branch of the superior labial artery, a branch of the facial artery, a branch of the external carotid artery. [1] [2] a posterior ethmoidal artery, a branch of the ophthalmic artery, a branch of the internal carotid artery. [1]
Greater palatine foramen. The greater palatine foramen (GPF) is related to the upper 3rd molar tooth in most of the skulls (55%), 2nd molar in (12%), between the 2nd and 3rd molar in (19%) and retromolar in (14%). The shape of the foramen is elongated antero-posteriorly; however, an unusually crescent shaped foramen is rare. [2]