part_of part of part of has part has part has_part Eumetazoa protein-containing material entity serous membrane http://upload.wikimedia.org/wikipedia/commons/4/4e/Ens.png http://upload.wikimedia.org/wikipedia/en/thumb/4/4e/Ens.png/200px-Ens.png uberon Wikipedia:Serous_membrane SCTID:362878009 UMLS:C0036760 FMA:9581 UBERON:0000042 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 mesothelium connective tissue mesoderm-derived structure