Kidney Medulla Collecting Duct. The collecting duct is the final regulator of excretion of many solutes. After this process the urine.
Duct Of Bellini Medical Studies Anatomy And Physiology Bellini from in.pinterest.com
It fine tunes the functions of the upstream segments. As the collecting tubules travel through the medulla the concentration of sodium causes water to be extracted through the tubule walls into the medulla. The renal papilla is the location where the renal pyramids in the medulla empty urine into the minor calyx in the kidney.
Once the blood has left the renal medulla and the serum is removed and forced into the renal tubules the fluid exits the kidney through the collecting duct.
An important regulator of collecting duct transport function is vasopressin which controls both water and urea transport 21. Medullary collecting duct function in the remnant kidney before and after volume expansion. There are considerable species differences. The functions of the collecting tubes are transportation of urine and absorption of water.
