| ER | Oestrogen Receptor status of tumourous tissue, which may be positive or negative. The implications of hormonal receptor status of the tissue are twofold (1) if ER positive, i.e. Sensitive to the hormone, it may respond better to hormone treatments than ER negative tissue. (2) the ER positive tissue generally is slower-growing. (16 Dec 1997) |
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| ER-60 protease | <enzyme> Has been sequenced; amino acid sequence is similar to that of phosphoinositide-specific phospholipase c-alpha; degrades endoplasmic reticulum proteins of rats; inhibited by acidic phospholipids including phosphoinositides Registry number: EC 3.4.22.- (26 Jun 1999) |
| ERA | <abbreviation> Evoked response audiometry. (05 Mar 2000) |
| erabutoxins | Toxins isolated from the venom of laticauda semifasciata, a sea snake (hydrophid); immunogenic, basic polypeptides of 62 amino acids, folded by four disulfide bonds, block neuromuscular end-plates irreversibly, thus causing paralysis and severe muscle damage; they are similar to elapid neurotoxins. (12 Dec 1998) |
| eradiate | To shoot forth, as rays of light; to beam; to radiate. Source: Websters Dictionary (01 Mar 1998) |
| eradiation | Emission of radiance. Source: Websters Dictionary (01 Mar 1998) |
| eradicate | 1. To pluck up by the roots; to root up; as, an oak tree eradicated. 2. To root out; to destroy utterly; to extirpate; as, to eradicate diseases, or errors. "This, although now an old an inveterate evil, might be eradicated by vigorous treatment." (Southey) Synonym: To extirpate, root out, exterminate, destroy, annihilate. Origin: L. Eradicatus, p. P. Of eradicare to eradicate; e out + radix, radicis, root. See Radical. Source: Websters Dictionary (01 Mar 1998) |
| eradication | Referring to disease, the termination of all transmission of infection by extermination of the infectious agent through surveillance and containment; global eradication has been achieved for smallpox, regional eradication for malaria and perhaps in some places for measles. (05 Mar 2000) |
| eradicative | Tending or serving to eradicate; curing or destroying thoroughly, as a disease or any evil. Origin: Cf. Eradicatif. <medicine> A medicine that effects a radical cure. Source: Websters Dictionary (01 Mar 1998) |
| Eranko's fluorescence stain | <technique> Exposure of frozen sections to formaldehyde which produces a strong yellow-green fluorescence from cells containing norepinephrine. (05 Mar 2000) |
| Eranko, Eino | <person> Finnish anatomist, *1924. See: Eranko's fluorescence stain. (05 Mar 2000) |
| erasion | An obsolete term for the scraping away of tissue, especially of bone. Origin: L. E-rado, pp. E-rasum, to scrape away (05 Mar 2000) |
| erastian | One of the followers of Thomas Erastus, a German physician and theologian of the 16th century. He held that the punishment of all offenses should be referred to the civil power, and that holy communion was open to all. In the present day, an Erastian is one who would see the church placed entirely under the control of the State. Source: Websters Dictionary (01 Mar 1998) |
| erato | The Muse who presided over lyric and amatory poetry. Origin: L, fr. Gr, fr. To love. Source: Websters Dictionary (01 Mar 1998) |
| erb | <oncogene> Two oncogenes, erb A and erb B, associated with the avian erythroblastosis virus (an acute transforming retrovirus). The cellular homologue of erb B is the structural gene for the cell surface receptor for epidermal growth factor and of erb A a steroid hormone receptor. (09 Oct 1997) |