excreta urine http://id.loc.gov/authorities/subjects/sh85141420 http://purl.bioontology.org/ontology/MESH/D014556 http://purl.bioontology.org/ontology/SNOMEDCT/78014005 http://purl.obolibrary.org/obo/NCIT_C13283 http://purl.obolibrary.org/obo/UBERON_0001088 https://en.wikipedia.org/wiki/Category:Urine https://en.wikipedia.org/wiki/Urine https://www.wikidata.org/wiki/Q40924 QP211 Excretion that is the output of a kidney. pee portion of urine