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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Forward ear position indicating alertness and pleasant attitude Forward ear position indicating alertness and pleasant attitude
The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer
Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi
The clinical division of the abdominal region into quadrants with related organs and structures. The clinical division of the abdominal region into quadrants with related organs and structures.
Apply compressions over the entire buttocks region with the fist using moderate to heavy pressure. ... Apply compressions over the entire buttocks region with the fist using moderate to heavy pressure. ...
The 122-base lac regulatory region The 122-base lac regulatory region
Video: Structure of a Ribosome

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