evocation
evocation defined in 1951 year
evocation - evocation;evocation - Induction in an embryonic tissue of a particular process of development, by a chemical substance (an evocator) diffusing from nearby tissue (or from an artificial implant). Best-known instance is evocation in vertebrates of neural development in ectoderm, as a result of diffusion of (an unknown) substance from under-lying chorda-mesoderm in gastrula stage. See also: Organizer.
near evocation in Knolik
| evergreen | home letter "E" start from "EV" | evolution |
definition of word "evocation" was readed 12 times