nephron morphological measurement nephron count 2020-12-18T17:34:00Z CMO:0003620 The total number of nephrons in a kidney. A nephron is made up of a glomerulus, Bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting tubule, and collecting duct. A nephron is the basic functional unit of the kidney and its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine. VT:0003881 clinical_measurement_ontology nephron number slaulede total number of nephrons