Facts about Kidney Nephron Structure
- 07
Approximately 85 percent of nephrons are cortical nephrons with short loops of Henle, while only 15 percent are juxtamedullary nephrons with long loops extending deep into the renal medulla.
- 06
Collecting ducts receive processed filtrate from multiple nephrons and merge progressively, ultimately draining into the renal pelvis.
- 05
Distal convoluted tubule nephron segments respond to aldosterone and ADH to fine-tune sodium, potassium, and water balance in the final urine.
- 04
Loop of Henle dips into the renal medulla and creates a concentration gradient essential for producing concentrated urine.
- 03
After filtration, nephrons reclaim useful substances through tubular reabsorption, with the proximal convoluted tubule recovering the majority of water, glucose, and ions.
- 02
The glomerulus, a tuft of capillaries at the start of each nephron, filters blood plasma into the Bowman's capsule through a process driven by blood pressure.
- 01
Each human kidney contains approximately one million nephrons, the microscopic functional units responsible for filtering blood and producing urine.