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Tubular fluid is the fluid in the tubules of the kidney. It starts as a renal ultrafiltrate in the glomerulus, changes composition through the nephron, and ends up as urine leaving through the ureters.
|Substance||proximal tubule||loop of Henle||Distal convoluted tubule||Collecting duct system|
|S1||S2||S3||descending limb||thin ascending limb||thick ascending limb||connecting tubule||initial collecting tubule||cortical collecting ducts||medullary collecting ducts|