Glands; Classified may also be based upon the mucous or serous nature of their secretory product. The sublingual gland is mostly mucous (pale staining cells). The serous component of this gland derive from serous demilunes (arrows) which secrete their product into the lumen via small channels between the mucous cells.

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	Slide Text Glands; Classified may also be based upon the mucous or serous nature of their secretory product. The sublingual gland is mostly mucous (pale staining cells). The serous component of this gland derive from serous demilunes (arrows) which secrete their product into the lumen via small channels between the mucous cells.