Tubular fluid

Source: Wikipedia, the free encyclopedia.

Tubular fluid is the fluid in the

renal ultrafiltrate in the glomerulus, changes composition through the nephron, and ends up as urine leaving through the ureters
.

Composition table

The composition of tubular fluid changes throughout the nephron, from the

collecting duct
and then as it exits the body, from the ureter.

Concentration (mM) of substances in different segments of nephron and collecting duct system
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
Na+ 142[1] 142[1] 100[1] 70[1] 40[1]

References