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.
CBS says it's renewing its hit comedy The Big Bang Theory for three more years. This extraordinary deal would carry TV's most-watched sitcom through the 2016-2017 season, the seriesâ tenth on the air. The Big Bang Theory premiered in September 2007, and has been a ratings smash for virtually its entire run. This season it has averaged nearly 20 million viewers each week.