serous cavity
http://purl.obolibrary.org/obo/UBERON_0035809
FMA:12241
http://www.snomedbrowser.com/Codes/Details/304404008
http://purl.obolibrary.org/obo/uberon.owl
UBERON:0035809
http://purl.obolibrary.org/obo/UBERON_0002553