HISTOLOGY: SALIVARY GLAND: SALIVARY GLAND SUBMANDIBULAR GLAND OR SUBLINGUAL GLAND, labeled.; SALIVARY GLAND, EITHER SUBMANDIBULAR GLAND OR SUBLINGUAL GLAND. D INDICATING A DUCT, YELLOW A ARROWS ARE MUCOUS ACINI, AND CYAN D LABELS ARE SEROUS DEMILUNES.