cannabis


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cannabis

 [kan´ah-bis]
the dried flowering tops of hemp plants (Cannabis sativa), which have euphoric principles; see marijuana and hashish.

can·na·bis

(kan'ă-bis),
The dried flowering tops of the pistillate plants of Cannabis sativa (family Moraceae) containing isomeric tetrahydrocannabinols, cannabinol, and cannabidiol. Preparations of cannabis can be smoked or ingested to induce psychotomimetic effects, such as euphoria, hallucinations, drowsiness, and other mental changes. Cannabis was formerly used as a sedative and analgesic; now available for restricted use in management of iatrogenic anorexia, especially that associated with oncologic chemotherapy and radiation therapy. Known by many colloquial or slang terms such as marihuana, marijuana, pot, grass, bhang, charas, ganja, weed, and herb.
[L., fr. G. kannabis, hemp]

cannabis

(kăn′ə-bĭs)
n.
1. A tall annual dioecious plant (Cannabis sativa), native to Central Asia and having alternate, palmately divided leaves and tough bast fibers.
2. Any of several mildly euphoriant, intoxicating hallucinogenic drugs, such as ganja, hashish, or marijuana, prepared from various parts of this plant.

can′na·bic (-bĭk) adj.

can·na·bis

(kan'ă-bis)
The dried flowering tops of the pistillate plants of Cannabis sativa (family Moraceae) containing isomeric tetrahydrocannabinols, cannabinol, and cannabidiol. Preparations of cannabis are smoked or ingested to induce psychotomimetic effects such as euphoria, hallucinations, drowsiness, and other mental changes. Cannabis was formerly used as a sedative and analgesic; now available for restricted use in management of iatrogenic anorexia, especially that associated with oncologic chemotherapy and radiation therapy. Known by many colloquial or slang terms such as marijuana, marihuana, pot, grass, bhang, charas, ganja, and hashish.
[L., fr. G. kannabis, hemp]

cannabis

A drug derived from the hemp plant. Marijuana is the dried leaves, flowers or stems of various species of the hemp grass Cannabis , especially Cannabis sativa , Cannabis indica and Cannabis americana . Cannabis resin contains the cannabinoid tetrahydrocannabinol which produces euphoria (the easy promotion of silly laughter or giggling) and an apparent heightening of all the senses, especially vision, with distortion of dimensions. There is slowing of reflexes, distortion of distance and alteration in the sense of responsibility. Driving becomes dangerous. Much valued is an illusory sense of deep philosophical insight or a conviction of omniscience. Panic attacks or acute anxiety may occur, and SCHIZOPHRENIA, MANIA, DEPERSONALIZATION or confusional psychoses have been precipitated. Persistent heavy users may become apathetic and show loss of interest and concern (amotivational syndrome). Cannabis does, however, have some valuable medical uses. It is a sedative that can relieve some side effects of drugs and can help some patients to live more comfortably with some serious illnesses. The former rigidity of official attitude against its therapeutic use is softening, especially since cannabinoid receptors were found to be widely expressed throughout the central nervous system. A number of American States have approved its medical use. See also GLUTAMATE.

cannabis

an hallucinogenic drug found in the leaves of the hemp plant and particularly in the bracts of the female flowering spikes.

can·na·bis

(kan'ă-bis)
The dried flowering tops of the pistillate plants of Cannabis sativa; in restricted use in management of iatrogenic anorexia, especially that associated with cancer therapy.
[L., fr. G. kannabis, hemp]
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