[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.
A 14-year-old Justin Bieber did a horribly racist version of his own song 5 years ago ... looking into the camera and singing ... There'll be one less lonely n*****.. Bieber and his team tell TMZ ... they want this video out, because he wants to own what he did. We're told when Justin was 14 ...