growth substance

  • 51auxin — noun A class of plant growth substance (often called phytohormones or plant hormones) which play an essential role in coordination of many growth and behavioral processes in the plant life cycle …

    Wiktionary

  • 52plant hormones — see ↑growth substance under ↑growth • • • Main Entry: ↑plant …

    Useful english dictionary

  • 53auxotrophic — adjective Etymology: Greek auxein to increase + o + English trophic Date: 1944 requiring a specific growth substance beyond the minimum required for normal metabolism and reproduction by the parental or wild type strain < auxotrophic …

    New Collegiate Dictionary

  • 54House (astrology) — Most horoscopic traditions of astrology systems divide the horoscope into a number (usually twelve) of houses whose positions depend on time and location rather than on date. The houses of the horoscope represent different spheres of life,&#8230; …

    Wikipedia

  • 55Ottoline Leyser — Henrietta Miriam Ottoline Leyser CBE FRS is a British plant biologist. Biography Ottoline received her BA (1986) and PhD (1990) in Genetics from the University of Cambridge. After post doctoral research at Indiana University and Cambridge, in she …

    Wikipedia

  • 56florigen — Hypothetical plant growth substance (hormone) postulated to induce flowering. Existence not proven: recently suggested that it might be an oligosaccharin …

    Dictionary of molecular biology

  • 57gibberellin — Plant growth substance (phytohormone) involved in promotion of stem elongation, mobilization of food reserves in seeds, and other processes. Its absence results in the dwarfism of some plant varieties. Chemically all known gibberellins are&#8230; …

    Dictionary of molecular biology

  • 58oligosaccharin — An oligosaccharide derived from the plant cell wall that in small quantities induces a physiological response in a nearby cell of the same or a different plant, and thus acts as a molecular signal. Sometimes considered to be a plant hormone or&#8230; …

    Dictionary of molecular biology

  • 59PGS — peristent gross splenomegaly; Petti grew syndrome; plant growth substance; polar grid system; postsurgical gastroparesis syndrome; primary generalized seizures; prostaglandin synthetase …

    Medical dictionary

  • 60PGS — • peristent gross splenomegaly; • Petti grew syndrome; • plant growth substance; • polar grid system; • postsurgical gastroparesis syndrome; • primary generalized seizures; • prostaglandin synthetase …

    Dictionary of medical acronyms & abbreviations