holding, memory, retentivity, keeping, retentiveness, retainment, retain, recruitment, preservation, retrieval, more...

release, loss, discharge, expulsion, relinquishment

anamnesis, mnemonic, more...

urinary, term, acute, fluid, renal, better, complete, selective, chronic, greater, gastric

holding it in,   retained possession,   keeping something,   being kept,   refusal to return,   retaining segment