Let's Compare Mucosa and Serosa. 1  MUCOSA VS.  Mucosa. The mucous membranes (or mucosae or mucosas; singular mucosa) are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. mucosa \mucosa\ n.
Definition of dropper for English Language Learners. : a glass or plastic tube that is used to measure out liquids by drops.
Dipper is the star of the Gravity Falls series of shorts titled Dipper's Guide to the Unexplained and also appears in the Fixin' it with Soos and Mabel's Guide to Life shorts, usually to correct Mabel's obviously made up information.he adventures of Dipper and his sister are inspired by the childhood of series creator Alex Hirsch and his own twin sister, Ariel Hirsch. As a character, Dipper has been critically well received.