| heroin |
Heroin is a depressant that affects the brain by slowing down the activity of certain chemicals. This drug belongs to a group called narcotic analgesics or opioids.
출처: www.drugstrategy.central.sa.edu.au/20_druginfo/c_g...
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| heroin |
The potent, widely abused opiate that produces addiction. It consists of two morphine molecules linked together chemically. [5]
출처: teens.drugabuse.gov/utilities/glossary.asp
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| heroin |
A narcotic derived from the opium poppy, heroin was originally developed as a substitute for morphine in an effort to deal with the addiction problem. However, it was quickly recognized that heroin is even more addictive than morphine. As a result the drug was made illegal. The rush lasts only briefly and is followed by a couple of hours of a relaxed, contented state. Withdrawals from heroin can be very painful for the user. (2,3)
출처: www.odysseycenter.com/courses/adol/adol-intro/glos...
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| Herophilus of Chalcedon |
a Greek physician at Alexandria, c. 300 B.C., a pupil of Praxagoras and an elder contemporary of Erasistratus. He performed public human post mortems and possibly also vivisection on condemned criminals. In his studies of the brain (for him the seat of intelligence and the organ of the soul) he distinguished the cerebrum from the cerebellum, described and named the meninges, calamus scriptorius, and the torcular Herophili. He studied the vascular and nervous systems and distinguished sensory from motor nerves, tendons from nerves, and veins from arteries. Herophilus recognized that the pulse derives from the heart and is not an innate function of the arteries; he classified pulses by speed, regularity, and other factors; and he furnished a mathematical law of systole and diastole.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| heroic measures |
In medical practice, the undertaking of a procedure or therapy in an attempt to save or sustain the life of a patient with life-threatening injuries or illness.
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