|
Rahnella
|
D020638 |
[A genus of gram-negative, facultatively anaerobic, small, rod-shaped bacteria occurring in fresh water.
] |
|
Railroads
|
D011890 |
[Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well.
] |
|
Rain
|
D011891 |
[Water particles that fall from the ATMOSPHERE.
] |
|
Rainforest
|
D065947 |
[Forests with high average annual rainfall.
] |
|
Raloxifene Hydrochloride
|
D020849 |
[A second generation selective estrogen receptor modulator (SERM) used to prevent osteoporosis in postmenopausal women. It has estrogen agonist effects on bone and cholesterol metabolism but behaves as a complete estrogen antagonist on mammary gland and uterine tissue.
] |
|
Ralstonia
|
D043367 |
[A genus in the family BURKHOLDERIACEAE, comprised of many species. They are associated with a variety of infections including MENINGITIS; PERITONITIS; and URINARY TRACT INFECTIONS.
] |
|
Ralstonia pickettii
|
D049920 |
[The type species in the genus RALSTONIA. It is often found in the hospital ward as a contaminant of antiseptic and disinfectant solutions.
] |
|
Ralstonia solanacearum
|
D043368 |
[A species of Ralstonia previously classed in the genera PSEUDOMONAS and BURKHOLDERIA. It is an important plant pathogen.
] |
|
Raltegravir Potassium
|
D000068898 |
[A pyrrolidinone derivative and HIV INTEGRASE INHIBITOR that is used in combination with other ANTI-HIV AGENTS for the treatment of HIV INFECTION.
] |
|
Ramipril
|
D017257 |
[A long-acting angiotensin-converting enzyme inhibitor. It is a prodrug that is transformed in the liver to its active metabolite ramiprilat.
] |
|
Rana catesbeiana
|
D011892 |
[A species of the family Ranidae (true frogs). The only anuran properly referred to by the common name "bullfrog", it is the largest native anuran in North America.
] |
|
Rana clamitans
|
D063188 |
[A species of the family Ranidae which occurs primarily in the eastern half of the United States and Canada. Two subspecies exist, commonly referred to as green frog (R. c. melanota) and bronze frog (R. c. clamitans).
] |
|
Rana esculenta
|
D011893 |
[An edible species of the family Ranidae, occurring in Europe and used extensively in biomedical research. Commonly referred to as "edible frog".
] |
|
Rana pipiens
|
D011894 |
[A highly variable species of the family Ranidae in Canada, the United States and Central America. It is the most widely used Anuran in biomedical research.
] |
|
Rana ridibunda
|
D011895 |
[A species of the family Ranidae which occurs primarily in Europe and is used widely in biomedical research.
] |
|
Rana temporaria
|
D011896 |
[A species of the family Ranidae occurring in a wide variety of habitats from within the Arctic Circle to South Africa, Australia, etc.
] |
|
Ranavirus
|
D017995 |
[A genus of IRIDOVIRIDAE which infects fish, amphibians and reptiles. It is non-pathogenic for its natural host, Rana pipiens, but is lethal for other frogs, toads, turtles and salamanders. Frog virus 3 is the type species.
] |
|
Random Allocation
|
D011897 |
[A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects.
] |
|
Random Amplified Polymorphic DNA Technique
|
D019105 |
[Technique that utilizes low-stringency polymerase chain reaction (PCR) amplification with single primers of arbitrary sequence to generate strain-specific arrays of anonymous DNA fragments. RAPD technique may be used to determine taxonomic identity, assess kinship relationships, analyze mixed genome samples, and create specific probes.
] |
|
Randomized Controlled Trial
|
D016449 |
[A work that reports on a clinical trial that involves at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table.
] |
