Epithelia are grouped into two general classes: (1) Epithelial Membranes-covering or lining of the body (skin or stomach lining) and (2) Glandular Epithelium-for increased secretion epithelial cells grow down into the connective tissue and form glands.pithelial Membranes. Epithelial membranes provide many diverse functions in the body including protection from wear and tear, drying, or excess moisture; secretion of many different products; and absorption of nutrients and other molecules.
The ninth season of The Big Bang Theory was confirmed on May 12, 2015, alongside seasons 8 and 10. It will air during the 2015-16 television season. Season 9 will premiere on Monday, September 21, 2015. First taping, August 11, 2015.
Could The Big Bang Theory be ending sooner than we think? Televisionâs highest-rated comedy recently wrapped its ninth season, but one of its stars is addressing the possibility that the CBS comedy -- led by Jim Parsons, Johnny Galecki and Kaley Cuoco-- may be over after season 10. RELATED: Kunal Nayyar Explains How Entire 'Big Bang Theory' Cast Got Sick