| Dale | Sir Henry Hallett, English physiologist and Nobel laureate, 1875-1968. See: Dale reaction, Dale-Feldberg law, Schultz-Dale reaction. (05 Mar 2000) |
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| Dale reaction | The contraction of an excised intestinal loop (Schultz) or of an excised strip of virginal uterus (Dale) from a sensitised animal (guinea pig) which occurs when the tissue is exposed to the specific antigen. (05 Mar 2000) |
| Dale-Feldberg law | An identical chemical transmitter is liberated at all the functional terminals of a single neuron. (05 Mar 2000) |
| Dalen | Johan A., Swedish ophthalmologist, 1866-1940. See: Dalen-Fuchs nodules. (05 Mar 2000) |
| Dalen-Fuchs nodules | Collections of epithelial cells lying between Bruch's membrane and the retinal pigment epithelium in sympathetic ophthalmia and rarely in other granulomatous intraocular inflammations. (05 Mar 2000) |
| Schultz-Dale reaction | The contraction of an excised intestinal loop (Schultz) or of an excised strip of virginal uterus (Dale) from a sensitised animal (guinea pig) which occurs when the tissue is exposed to the specific antigen. (05 Mar 2000) |
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