inside surface of the plasma membrane to form a membrane-enclosed bubble, or vesicle, containing the ingested material. There are two main types of endocytosis that are distinguished by the size of the vesicle formed and the cellular machinery involved. Pinocytosis (cell drinking) describes the internalization of extracellular fluid and small macromolecules by means of small vesicles.
junket (plural junkets) (obsolete) A basket. A type of cream cheese, originally made in a rush basket; later, a food made of sweetened curds or rennet.
Junk food is a pejorative term for food containing high levels of calories from sugar or fat with little protein, vitamins or minerals.he term junk food dates back at least to the early 1950s, although it has been reported that it was coined in 1972 by Michael F. Jacobson of the Center for Science in the Public Interest.