Superior constrictor musclePterygomandibular rapheSmall ducts of sublingual glandSubmandibular ductSublingual glandSublingual glandSubmandibular ductGenioglossus muscleHyoglossus muscleSuperficialDeepSuperficialDeepSubmandibularglandLingual nerveABSubmandibular ductSublingual fold overlyingsublingual glandSublingual caruncleOpening ofsubmandibular ductOpening of leftsubmandibular ductSublingual carunclesLingual veinFrenulum of tongueOpening of ducts from sublingual glandCDDeep lingual veinFimbriated foldFrenulum of tongue