rickettsia typhi |
The aetiologic agent of murine typhus (see typhus, endemic flea-borne). (12 Dec 1998) |
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rickettsia vaccine |
Attenuated See: typhus vaccine. (05 Mar 2000) |
rickettsiaceae |
A family of small, gram-negative organisms often parasitic in man and other animals, causing diseases that may be transmitted by invertebrate vectors. (12 Dec 1998) |
rickettsiaceae infections |
Infections with bacteria of the family rickettsiaceae. (12 Dec 1998) |
rickettsial |
Pertaining to or caused by rickettsiae. (05 Mar 2000) |
rickettsial diseases |
The infectious diseases caused by the rickettsiae fall into 4 groups:(1) typhus: epidemic typhus, brill-zinsser disease, murine (endemic) typhus, and scrub typhus; (2) spotted fever rocky mountain spotted fever, eastern tick-borne rickettsioses, and rickettsialpox; (3) q fever; and (4) trench fever. (12 Dec 1998) |
rickettsial vaccines |
Vaccines for the prevention of diseases caused by various species of rickettsia. (12 Dec 1998) |
rickettsiales |
An order of gram-negative bacteria including many that may cause disease in man or in other vertebrate or invertebrate hosts. (12 Dec 1998) |
rickettsiales infections |
Infections with bacteria of the order rickettsiales. (12 Dec 1998) |
rickettsialpox |
A mild infectious disease first observed in new york city caused by rickettsia akari, transmitted from its mouse host by chigger or adult mite bites. There is fever, a dark spot that becomes a small ulcer at the site of the bite, swollen glands (lymphadenopathy) in that region, and a raised blistery (vesicular) rash. Also known as vesicular rickettsiosis. (12 Dec 1998) |
rickettsias |
Obligate intracellular parasites which cause a variety of disease, including typhus and Rocky Mountain spotted fever. (09 Oct 1997) |
rickettsieae |
A tribe of gram-negative bacteria of the family rickettsiaceae whose organisms are found in arthropods and are pathogenic for man and certain other vertebrate hosts. (12 Dec 1998) |
rickettsioses |
The infectious diseases caused by the rickettsiae. See rickettsial diseases. (12 Dec 1998) |
rickettsioses of the eastern hemisphere, tick-borne |
There are 3 known diseases caused by infection with rickettsial agents> They are north asian tick-borne rickettsiosis, queensland tick typhus, and african tick typhus (fi |
rickettsiosis |
Infection with rickettsiae. (05 Mar 2000) |
Synonyms :
Synonyms : Alfacid, Ansamycin, Ansatipin, Ansatipine, Grunenthal Brand of Rifabutin, Kenfarma Brand of Rifabutin, LM-427, Mycobutin, Pharmacia Brand of Rifabutin, Rifabutine, LM 427, LM427
Synonyms : Benemycin, Rifadin, Rimactan, Rimactane, Tubocin
Synonyms :
Synonyms : Fever, Rift Valley
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ritual
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any customary observance or practice of or relating to or characteristic of religious rituals; "ritual killing" the prescribed procedure for conducting religious ceremonies stereotyped behavior of or relating to or employed in social rites or rituals; "a ritual dance of Haiti"; "sedate little colonial tribe with its ritual tea parties"- Nadine Gordimer
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rib
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support resembling the rib of an animal any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates) cut of meat including one or more ribs a teasing remark a riblike supporting or strengthening part of an animal or plant form vertical ribs by knitting; "A ribbed sweater" ridicule: subject to laughter or ridicule; "The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday" a projecting molding on the underside of a vault or ceiling; may be ornamental or structural
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right angle
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the 90 degree angle between two perpendicular lines quadrant: a quarter of the circumference of a circle
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right atrioventricular valve
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tricuspid valve: valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
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right ventricle
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the chamber on the right side of the heart that receives venous blood from the right atrium and pumps it into the pulmonary trunk
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