A single-celled layer of epithelium that forms the lining of serous membranes is ________. Naim 02:00 Tissue The Living Fabric A single-celled layer of epithelium that forms the lining of serous membranes is ________. A) simple transitional B) simple columnar C) simple squamous D) simple cuboidal Answer: C) simple squamous Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+