Blausen Medical: The source and creator of the world's largest award-winning 3D medical/scientific animation library.

Viruses are infectious agents that grow and multiply in living cells and can cause diseases. The Zika virus is typically spread to humans through contact with mosquitoes. The mosquito species that transmit the Zika virus have distinct blac...

The female breast is primarily composed of fatty tissue and mammary glands. Mammary glands drain into the lactiferous sinus, which connects them to the nipple. During pregnancy, mammary glands swell in order to accommodate milk production. ...

During the digestive process, the foods that we eat are converted into glucose, commonly known as blood sugar. Glucose circulates in the bloodstream and is used as food for the body's cells. But the cells cannot absorb glucose alone. A hor...

An allergy occurs when the body reacts to substances it can't tolerate. The substances, like tree pollen or dust mites, are called environmental antigens, or allergens, and are normally harmless. But the immune system of a person with aller...