located_in located_in (type level) located in organism substance synovial fluid BTO:0001339 CALOHA:TS-0996 ENVO:02000039 FMA:12277 GAID:265 MA:0002544 MESH:D013582 Portion of organism substance that is a clear fluid that occupies the space in synovial joints.[TAO] TAO:0005154 Transudate contained in the synovial cavity of joints, and in the cavity of tendon sheaths and bursae. UBERON:0001090 UMLS:C0039097 ZFA:0005154 galen:SynovialFluid joint fluid uberon synovial cavity of joint serous fluid