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Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Cyanide works by making the human body unable to use oxygen.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Testing Visual Fields by Confrontation: The nurse and patient should be approximately at an eye to e Testing Visual Fields by Confrontation: The nurse and patient should be approximately at an eye to e
Mirror Neurons in Broca’s Area Mirror Neurons in Broca’s Area
National Institute on Aging Web site is designed to be easy to use by older adults. It utilizes ... National Institute on Aging Web site is designed to be easy to use by older adults. It utilizes ...
Patient with rheumatoid arthritis. Patient with rheumatoid arthritis.
The cascade of events by which the stroke-induced release of glutamate kills neurons. The cascade of events by which the stroke-induced release of glutamate kills neurons.
Gingival enlargement in a patient taking phenytoin. Gingival enlargement in a patient taking phenytoin.
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

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