Etiology
Etiology: The study of causes, as in the causes of a disease. The form aetiology is generally used in the UK.
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- ETM1
ETM1: A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the body. The ETM1 gene (also called FET1) was mapped in 1997 to chromosome region 3q13 in a study of Icelandic families. EMT1 is responsible for a fine rapid hand tremor; late tremor of arms, tongue, head, […]
- ETM2
ETM2: A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the body. The ETM2 gene was mapped to chromosome region 2p25-p22 in a study of a large American family of Czech descent. ETM2 is responsible for essential tremor; postural tremor of arms; and variable tremor of head, […]
- ETS
ETS: Environmental tobacco smoke. Smoke generated from the sidestream (the burning end) of a cigarette, pipe or cigar and the exhaled mainstream smoke (the smoke that is puffed out by smokers) of cigarettes, pipes, and cigars. In 1992, the US Environmental Protection Agency (EPA) completed its risk assessment on “The Respiratory Health Effects of Passive […]
- Eugenics
Eugenics: A pseudoscience with the stated aim of improving the genetic constitution of the human species by selective breeding. Eugenics is from a Greek word meaning ‘normal genes.’ The use of Albert Einstein’s sperm to conceive a child by artificial insemination would represent an attempt at positive eugenics. The Nazis notoriously engaged in negative eugenics […]
- Eukaryote
Eukaryote: An organism that consists of one or more cells each of which has a nucleus and other well-developed intracellular compartments. Eukaryotes include all organisms except bacteria, viruses, and certain (blue-green) algae which, by contrast, are prokaryotes. See: Prokaryote. Eukaryotes include fungi, animals, and plants as well as some unicellular organisms. Eukaryotic cells are about […]