Anatomy · Urinary · Pelvis

Urinary bladder & urethra anatomy

Also known as: urinary bladder, urethra

The bladder stores urine; the urethra carries it out of the body.

Open in the 3D explorer Locate structures Quiz: urinary
3D model of the Urinary bladder & urethra in the Anatomy Nexus anatomy atlas
Interactive 3D model: Urinary bladder & urethra. Orbit, zoom and click the structures.Load the 3D model
Overview page. A full anatomy article for the urinary bladder & urethra has not been written yet; below are the modelled structures, the system it belongs to and every clinical topic that mentions it.

Structures in the atlas 2

The modelled pieces that make up the urinary bladder & urethra in the 3D atlas. Each opens in the explorer.

The urinary in brief

The two kidneys filter about 180 litres of plasma a day, returning almost all of it to the blood and excreting the rest as urine. Urine drains through the ureters into the bladder, a muscular reservoir that empties through the urethra. The kidneys also regulate blood pressure, red cell production and vitamin D activation.

All structures of the urinary