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.
A Flipper, also known as a transitional partial dentureâ, is used as a temporary treatment after the loss of a tooth. For example, if you had an accident and came into your dentist with your tooth knocked out, or broken to the gum line, a flipper can be made quickly. RealAge answered. A flipper denture is a type of temporary denture that usually replaces one or just a few teeth. Usually, flipper dentures are only used until a permanent denture (usually a bridge, or sometimes a dental implant) is made and is ready to be inserted.