Mesothel        
[das] [解]。
起源胚层扁胞层，衬胚胎始体腔，终育腹膜、膜胞
mesothelium
(Anatomy) mesothelium, membranous tissue which originated in the embryonic mesoderm and covers internal and external organs;
(Embryology) membranous lining of the embryonic body cavity