part of part of has part has part has_part develops from develops from Eumetazoa serous membrane Wikipedia:Serous_membrane SCTID:362878009 FMA:9581 UBERON:0000042 serosa GAID:19 Multi-tissue structure that is comprised of a secretory epithelial layer (mesothelium) and a connective tissue layer. NCIT:C13169 wall of serous sac TAO:0005425 ZFA:0005425 MESH:D012704 anatomical wall multi-tissue structure mesoderm mesothelium connective tissue mesoderm-derived structure