obsolete_blood plasma true Use http://purl.obolibrary.org/obo/UBERON_0001969 label: blood plasma BTO:0000131 plasma http://purl.obolibrary.org/obo/UBERON_0001969 James Malone Blood plasma is a yellow liquid component of blood, in which the blood cells in whole blood would normally be suspended. 2.38 The fluid portion of the blood in which the particulate components are suspended. BTO:0000131 true