PSYB10H3 Lecture Notes - Lecture 51: Genioglossus, Petrotympanic Fissure, Superior Salivary Nucleus
Document Summary
Definition : it is a large salivary gland situated in the digastric triangle. Type : it is mixed (serous and mucous) gland. Site : it lif the deep es partly undercover the body of the mandible. It is formed of large superficial and smaller deep parts which are continuous around the posterior border of the mylohyoid muscle. It is crossed by the fascial vein and cervical branch of fascial nerve . Submandibular fossa on the medial surface of the mandible and. Posterior belly of digastric and parotid gland (separated by stylomandib. Relation of the deep part : laterally. Submandibular ganglion ( and covered by the mucous membrane of the floor of the mouth ) 1- it arises from the medial surface of the superficial part. 2- it passes forwards through the deep part on the lateral surface of hyoglossus muscle (between the lingual nerve and hypoglossal nerve). 3- it is crossed by the lingual nerve.
