types of salivary glands
Salivary Glands and Saliva. 1  parotid glands-produce a serous, watery secretion. 2  submaxillary (mandibular) glands-produce a mixed serous and mucous secretion. 3  sublingual glands-secrete a saliva that is predominantly mucous in character. 4  serous cells, which secrete a watery fluid, essentially devoid of mucus.