Arthroscopic knee surgery

Hearing and the Cochlea

This animation shows the various structures of the ear and the process of hearing.

• Hearing

Carpal tunnel syndrome - results of surgery

Carpal tunnel surgery has immediate and delayed results, a Mayo Clinic surgeon explains.

Stroke

This animation shows a stroke resulting by an embolism travelling from an internal carotid artery and lodging within a cerebral artery in the brain.

• Stroke

Lying hamstring curl with weight machine

The lying hamstring curl with weight machine exercise targets the back of the thigh. See how it's done.

Tramadol: Precautions and Common Side Effects

Safety precautions, side effects and discontinuation recommendations for tramadol. Learn more about tramadol at: http://www.drugs.com/tramadol.html

• Tramadol
• Pain