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.
Trojan-Dropper These programs are used by hackers in order to install Trojans and / or viruses â or to prevent the detection of malicious programs. Not all antivirus programs are capable of scanning all of the components inside this type of Trojan. Trojan-FakeAV Trojan-FakeAV programs simulate the activity of antivirus software.