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.
The Oil Dropper is your resource for Young Living essential oils, and all its various uses. Everything from aromatherapy, to different holistic practices. Traditional uses - for relief from joint issues (arthritis), stomach aches & digestive problems. Pharmacists mention uses for gastritis, fibromyalgia and arthritis.