Dental Histology 291 Salivary Gland Assist.Prof.Wacharaporn Thosaporn Dept. of Odontology & Oral Pathology Faculty of Dentistry Salivary gland Structure of gland 1. Development of salivary gland 2. Serous acini and zymogen granule 3. Mucous tubule or acini 4. Mixed acini – Mucous tubule or acini – Serous demilune 5. Duct 6. Capsule, septa 1 Salivary gland Type of gland 1. Pure serous gland – Parotid gland – von Ebner’s gland 2. Pure mucous gland – Palatine gland – Buccal gland – Weber’s gland Salivary gland Type of gland 3. Mixed gland, predominately with mucous type – Sublingual gland – Labial gland, anterior lingual gland 4. Mixed gland, predominately with serous type – Submandibular gland 2 Development of salivary gland Meckel’s cartilage Meckel’s cartilage Chondrocyte 3 Development of salivary gland Parenchyma Stroma Development of salivary gland Duct Acini Connective tissue 4 Parenchyma and stroma Duct Stroma Acini Duct Supporting connective tissue 5 Parenchyma and stroma Serous acini Septa Parenchyma Duct Serous acini 6 Septa Parenchyma Serous acini Duct 7 Parenchyma Serous acini Duct Saliva Duct 8 Serous acini Zymogen granule in Serous acini Parotid gland Duct Serous acini 9 Pure mucous gland (Buccal gland) Pure mucous gland (Buccal gland) 10 Pure mucous gland (Buccal gland) Pure mucous gland (mucicarmine stain) 11 Pure mucous gland (mucicarmine stain) Pure mucous gland (mucicarmine stain) 12 Pure mucous gland (mucicarmine stain) Mucicarmine stain (positive to mucin) 13 Parotid gland (pure serous) Capsule Septa Parotid gland Intralobular duct acini 14 Parotid gland Serous acini duct Septa Serous acini duct 15 Serous acini duct Pure serous gland Serous acini 16 Parotid gland (Pure serous gland) Serous acini duct saliva Zymogen granule Duct 17 Parotid gland Septa Septa 18 Stroma (septa) Nerve Nerve Blood vessel 19 Nerve Blood vessel Submandibular gland (mixed gland, predominately serous type) 20 Submandibular gland Mixed acini Serous acini Submandibular gland Mixed acini Serous acini 21 Mixed acini in Submandibular gland Serous demilune Mucous tubule Serous acini Mixed acini in Submandibular gland Serous demilune Mucous tubule 22 Mixed gland, predominately serous type Mucous acini Mixed acini Serous demilune 23 Sublingual gland (mixed gland, predominately mucous type) Sublingual gland (mixed gland, predominately mucous type) Mixed acini 24 Sublingual gland (mixed gland, predominately mucous type) Serous demilune Mucous tubule Pure mucous gland 25 Pure mucous gland (palatine gland) Mucous acini Pure mucous gland (palatine gland) Mucous acini Mucous tubule (acini) 26 Glandular zone of palate Palatine gland Duct Palatine gland (pure mucous gland) Mucous acini (tubule) 27 Palatine gland (pure mucous gland) Pure mucous gland Mucous acini 28 Mucicarmine stain (positive to mucin) Striated muscle 29 Striated muscle Anterior lingual gland 30 Mixed gland, predominately mucous type) Mucous acini (tubule) Serous acini 31 Mixed acini Serous demilune Mucous tubule Vallate papillae and von Ebner’s gland 32 Vallate papillae and von Ebner’s duct von Ebner’s duct Sulcus of vallate papillae Pure serous gland (von Ebner’s gland) von Ebner’s gland von Ebner’s duct 33 Pure serous gland (von Ebner’s gland) Serous acini duct 34 Duct of von Ebner’s Posterior mucous lingual gland (Weber’s gland) 35 Weber’s gland Mucous acini Pure mucous gland (Posterior mucous lingual gland) 36 37 .