| charas | A resin obtained from mature leaves of selected varieties of Cannabis sativa; used for smoking. (05 Mar 2000) |
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| charbon | Known also as anthrax, charbon is a serious bacterial infection. It is not primarily a human disease but rather an infection of animals. Cattle, sheep, horses, mules, and some wild animals are highly susceptible. Humans (and swine) are generally resistant to anthrax. Anthrax can take different forms. With the lung form of the disease. People inhale the anthrax spores and, if untreated, are likely to die. An intestinal form is caused by eating meat contaminated with anthrax. But most human anthrax comes from skin contact with animal products. Cutaneous (skin) anthrax was once well known among people who handled infected animals, like farmers, woolsorters, tanners, brushmakers and carpetmakers in the days when the brushes and carpets were animal products. The hallmark of skin anthrax is a carbuncle, a cluster of boils, that ulcerates in an ugly way. Typically this lesion has a hard black centre surrounded by bright red inflammation. This accounts for its name, anthrax , the Greek word for coal. Charbon in French means coal. (12 Dec 1998) |
| charcoal | <chemical> An amorphous form of carbon prepared from the incomplete combustion of animal or vegetable matter, e.g., wood. The activated form of charcoal is used in the treatment of poisoning. Pharmacological action: antidotes. Chemical name: Charcoal (12 Dec 1998) |
| Charcot's arteries | Any one of a variety of small artery's entering the base of the brain through the anterior perforated substance and supplying the striatum, globus pallidus, and internal capsule; most of these perforating arteries are branches of the M1 segment (clinical terminology) of the middle cerebral and and (rarely) of the anterior choroidal artery. Synonym: Charcot's arteries, lateral striate arteries. (05 Mar 2000) |
| Charcot's disease | A serious neurologic disease that results from the progressive degeneration of the motor neurons. (27 Sep 1997) |
| charcot's foot | A foot disease associated with diabetic neuropathy that results in destruction of joints and soft tissue. (09 Oct 1997) |
| Charcot's gait | The gait of hereditary ataxia. (05 Mar 2000) |
| Charcot's intermittent fever | Fever, chills, right upper quadrant pain, and jaundice associated with intermittently obstructing common duct stones. (05 Mar 2000) |
| charcot's joint | A joint that is deprived of any pain or position sense due to severe osteoarthritis. May also occur as the result of tabes dorsalis, diabetic neuropathy, amyloidosis or leprosy. Often treated with surgical fusion. (27 Sep 1997) |
| Charcot's syndrome | <symptom> A symptom complex characterised by leg pain and weakness brought on by walking, with the disappearance of the symptoms following a brief rest. (12 Dec 1998) |
| Charcot's triad | In multiple (disseminated) sclerosis, the three symptoms: nystagmus, tremor, and scanning speech, combination of jaundice, fever, and upper abdominal pain that occurs as a result of cholangitis. (05 Mar 2000) |
| Charcot's vertigo | Fainting as a result of a coughing spell, caused by persistent increased intrathoracic pressure diminishing venous return to the heart, thus lowering cardiac output; most often occurs in heavy-set male smokers who have chronic bronchitis. Synonym: Charcot's vertigo, laryngeal vertigo. (05 Mar 2000) |
| Charcot, Jean | <person> French neurologist, 1825-1893. See: Charcot's arteries, Charcot's disease, Charcot's intermittent fever, Charcot's gait, Charcot's joint, Charcot's syndrome, Charcot's triad, Charcot's vertigo, Charcot-Leyden crystals, Charcot-Neumann crystals, Charcot-Robin crystals, Charcot-Bottcher crystalloids, Charcot-Marie-Tooth disease, Charcot-Weiss-Baker syndrome, Erb-Charcot disease. (05 Mar 2000) |
| Charcot-Bottcher crystalloids | Spindle-shaped crystalloid's 10 to 25 um long, found in human Sertoli cells. (05 Mar 2000) |
| Charcot-Bouchard aneurysm | Dilatation in the diameter of small arteries and arterioles secondary to lipohyalinosis from long-standing hypertension associated with intracerebral haematomas. Synonym: Charcot-Bouchard aneurysm. (05 Mar 2000) |