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hypnotic drugs
(Encyclopedia)hypnotic drugs, drugs that induce sleep, sometimes called soporifics. In general, hypnotics are central nervous system depressants. Alcohol, laudanum (see opium), bromide salts, and herbs such as vale...sense
(Encyclopedia)sense, faculty by which external or internal stimuli are conveyed to the brain centers, where they are registered as sensations. Sensory reception occurs in higher animals through a process known as t...Sherrington, Sir Charles Scott
(Encyclopedia)Sherrington, Sir Charles Scott, 1857–1952, English neurophysiologist, educated at Cambridge. He was professor of physiology at the universities of Liverpool and London and at Oxford. He contributed ...electric shock
(Encyclopedia)electric shock, effect of the passage of a current of electricity through the body. Fatality may result from shocks of from 1 to 2 amperes and 500 to 1,000 volts. However, the effect of electric shock...endorphins
(Encyclopedia)endorphins ĕndôrˈfĭnz [key], neurotransmitters found in the brain that have pain-relieving properties similar to morphine. There are three major types of endorphins: beta endorpins, found primaril...vomiting
(Encyclopedia)vomiting, ejection of food and other matter from the stomach through the mouth, often preceded by nausea. The process is initiated by stimulation of the vomiting center of the brain by nerve impulses ...paraldehyde
(Encyclopedia)paraldehyde pârălˈdəhīdˌ [key], nervous system depressant similar to alcohol in its effects and used as a sedative. A colorless flammable liquid with a disagreeable odor, paraldehyde produces sl...U.S. Customary System of weights and measures
(Encyclopedia)U.S. Customary System of weights and measures: see English units of measurement. ...British Imperial System of weights and measures
(Encyclopedia)British Imperial System of weights and measures: see English units of measurement. ...Major Planets of the Solar System (table)
(Encyclopedia)Major Planets of the Solar System ...Browse by Subject
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