Retromingent
“You have revealed yourself as a miserable, carping, retromingent vigilante, and I for one am sick of wasting my time communicating with you” (Benjamin C. Bradlee, Editor, The Washington Post). From the Latin retro- (back) + mingent from mingere (to urinate).
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Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube called a fiberoptic endoscope. In RIRS the scope is placed through the urethra (the urinary opening) into the bladder and then through the ureter into the urine-collecting part of the kidney. The scope thus is moved retrograde (up […]
- Roentgen, Wilhelm
Wilhelm Conrad Rontgen (1845-1923), German-born, Dutch-educated physicist who first observed and documented X-rays on November 8, 1895. He made this seminal discovery by accident while experimenting with a set of cathode ray instruments. He was surprised to find a flickering image cast by his instruments separated from them by some distance. He knew that the […]
- Roentgenology
Radiology, the science of radiation and, specifically, the use of both ionizing (like X-ray) and nonionizing (like ultrasound) modalities for the diagnosis and treatment of disease. Roentgenology is named for Wilhelm Conrad Roentgen who discovered X-rays. Roentgen, a professor of physics in Germany, wanted to prove his hypothesis that cathode rays could penetrate substances besides […]
- Rohypnol
The trade name for flunitrazepam, which has been abused as a ‘date rape’ drug. Rohypnol produces sedative-hypnotic effects including muscle relaxation and amnesia. It can produce physical and psychological dependence and can be lethal when mixed with alcohol and/or other depressants.
- ROMA
Representational oligonucleotide microarray analysis. A method for the detection of genomic aberrations between any two samples of DNA. ROMA measures the relative concentration of DNA in the two samples by hybridizing differentially labeled samples to a set of probes. By arraying oligonucleotide probes designed from the human genome sequence, and hybridizing with “representations” from the […]