[edit] Structure Each serous membrane is composed of a secretory epithelial layer and a connective tissue layer underneath. The epithelial layer, known as mesothelium, consists of a single layer of avascular flat nucleated cells (simple squamous epithelium) which produce the lubricating serous fluid.
About MattyB. Matthew David Morris aka MattyB is a 12-year-old pop singer/rapper from Atlanta, GA. He was born on January 6, 2003. Since beginning his music career at age 7, he has quickly become an Internet superstar with more than 2 Billion video views and 5 million YouTube subscribers. His social media consists of over 8 million followers on Facebook & Twitter combined.
Feb 29, 2016. Pop star Justin Bieberâs birthday is March 1 and the bad boy heartthrob is turning 22 years old. Plans for his birthday festivities havenât been made public, but last year he used the occasion to film the Justin Bieber Roast Comedy Central special as a way of apologizing for his habitually immature behavior.