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.
Poppers are a type of drug that are used as an inhalant. They are often made from amyl nitrate or some other type of butyl nitrite such as isobutyl. This type of recreational drug is widely used as a Rave party drug and is often used during sex to intensify orgasms.he poppers or poppers are those liquids belonging to the alkyl nitrite family (particularly, isobutyl nitrite and butyl nitrite) that are used recreationally in the US and abroad to enhance sexual pleasure. Poppers, which are in small bottle container, are taken by inhaling the contents.