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Cancer of the throat or larynx

From a top view of the voice box (larynx) and vocal cords, this animation shows the formation of a malignant tumor on the right vocal cord.


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How cancer spreads

Watch this video to see how cancer spreads (metastasizes).

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.

Biliopancreatic diversion with duodenal switch

Biliopancreatic diversion with duodenal switch is a surgery that reduces the size of the stomach and the intestine to limit food intake and absorption.

Using a metered dose asthma inhaler and spacer

Watch this video to see how to use a metered dose asthma inhaler and spacer.

Hypertension

This animation shows the effects of hypertension on a cerebral artery.

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