Anatomy
The Filtering Factory
Flow & Storage
Body Balance
Common Conditions
100

The tubes that carry urine from the kidneys to the bladder.

Ureters

100

The tiny ball of capillaries where blood filtration begins.

Glomerulus

100

The tube through which urine exits the body.

Urethra

100

The percentage of urine that is typically made of water.

95%

100

A common abbreviation for a "Urinary Tract Infection."

UTI

200

These two bean-shaped organs filter blood to produce urine.

Kidneys

200

The functional unit of the kidney that does the actual filtering.

Nephron

200

The muscular sac that stores urine until it is released.

Urinary Bladder

200

The primary liquid waste product filtered out by the kidneys.

Urea

200

A common "stone" that can form from minerals and salts in the kidneys.

Kidney Stone

300

The outer layer of the kidney, located just under the capsule.

Renel Cortex

300

The process where the body takes back useful substances like glucose.

Tubular Reabsorption

300

These circular muscles prevent urine from leaking out of the bladder.

Sphincters

300

Besides waste, kidneys regulate this "pressure" in the body.

Blood Pressure

300

Inflammation of the bladder, often causing a frequent urge to pee.

Cystitis

400

The inner region of the kidney containing the renal pyramids.

Renel Medulla

400

The process of adding certain wastes directly from the blood into the filtrate.

Tubular Secretion

400

The average amount of urine (in ml) a full bladder can typically hold.

400-500 ml

400

The hormone released by kidneys to help produce red blood cells.

Erythropoietin

400

A procedure used to clean the blood when kidneys no longer function.

Dialysis

500

The funnel-like structure that collects urine before it enters the ureter.

Renel Pelvis

500

The specific part of the nephron loop that dips into the medulla.

Loop of Henle

500

The technical term for the act of urinating or emptying the bladder.

Micturition

500

The electrolyte (like sodium or potassium) levels regulated by the kidneys.

Ions

500

A specialist doctor who focuses on the urinary tract and male reproductive system.

Urologist