A mucous membrane or mucosa (plural, mucosae or mucosas; Latin tunica mucosa) is a lining of mostly endodermal origin.f the lining is torn or broken, mucus is incapable of performing its roles of preventing infection and retaining tissue moisture levels. In the female, the glans clitoridis and the clitoral hood have mucous membranes.
The cucumber you refer to as regular is the most common field-grown variety. Known as a slicing cucumber, it ranges in size from 6 to 9 inches, and its dark-green skin is usually waxed to prevent moisture loss. The English cucumber, which may be called seedless, European, burpless, or hothouse (which is where it is commercially grown), grows to between 1 and 2 feet in length. Slimmer and smooth-skinned, it is wrapped in plastic and can cost as much as $2 per cucumber.
Burpless cucumbers are sweeter and have a thinner skin than other varieties of cucumber, and are reputed to be easy to digest and to have a pleasant taste. They can grow as long as 2 feet (0.61 m). They can be used for slicing, salads, pickling, etc., and are available year-round. 2  They are usually burpless as well. 3  Persian cucumber, which are mini, seedless, and slightly sweet, are available from Canada during the summer, and all year-round in the US.