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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Negative feedback as a mechanism by which homeostatic control systems operate. Negative feedback as a mechanism by which homeostatic control systems operate.
Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation. Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
Negative Feedback Insulin Glucagon Negative Feedback Insulin Glucagon
Gram negative flowchart Gram negative flowchart
Schedules of Reinforcement Schedules of Reinforcement
Negative reciprocal Negative reciprocal
Video: Lower Limb Arteries Animation

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