Submandibular GlandSalivary GlandsSubmandibular Gland DiseasesSalivary Gland DiseasesSubmandibular Gland NeoplasmsSialadenitisSalivary DuctsSalivationMephitidaeParotid GlandSalivaSalivary Gland NeoplasmsSalivary Glands, MinorSublingual GlandSalivary Proteins and PeptidesSalivary Gland CalculiSjogren's SyndromeExocrine GlandsAquaporin 5Adenoma, PleomorphicMammary Glands, AnimalXerostomiaCarcinoma, Adenoid CysticCarcinoma, MucoepidermoidSialographyLingual NerveParasympathetic Nervous SystemLacrimal ApparatusParotid NeoplasmsSialorrhea