apical bud

n. active areas in the root system and stalk from which sprouts grow

English contemporary dictionary. 2014.

Look at other dictionaries:

  • Apical dominance — In plant physiology, apical dominance is the phenomenon whereby the main central stem of the plant is dominant over (i.e., grows more strongly than) other side stems ; on a branch the main stem of the branch is further dominant over its own side… …   Wikipedia

  • apical dominance — Growth inhibiting effect exerted by actively growing apical bud of higher plant shoots, preventing the growth of buds further down the shoot. Thought to be mediated by the basipetal movement of auxin from the apical bud …   Dictionary of molecular biology

  • apical dominance — The phenomenon where growth of lateral (axillary) buds in a plant is inhibited by the presence of the terminal (apical) bud on the branch. Explained by the export of auxins from the apical bud …   Glossary of Biotechnology

  • Apical ectodermal ridge — The apical ectodermal ridge (AER) is a critical component in vertebrate limb development.cite journal |author=Zakany J, Zacchetti G, Duboule D |title=Interactions between HOXD and Gli3 genes control the limb apical ectodermal ridge via Fgf10… …   Wikipedia

  • Bud — In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of the stem. Once formed, a bud may remain for some time in a dormant condition, or it may form a shoot immediately.The buds of many… …   Wikipedia

  • apical dominance — noun : inhibition of the growth of lateral buds by the terminal bud of a shoot that is believed to be effected principally or at least in part by auxins produced by the terminal bud * * * Bot. suppression of the development of lateral buds in a… …   Useful english dictionary

  • apical dominance — noun Date: 1947 inhibition of the growth of lateral buds by the terminal bud of a shoot …   New Collegiate Dictionary

  • Axillary bud — The axillary bud lies at the junction of the stem and petiole of a plant.As the apical meristem grow and form leaves, a region of meristematic cells are left behind at the node between the stem and the leaf. These axillary buds are usually… …   Wikipedia

  • Limb bud — Infobox Embryology Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Caption2 = System = CarnegieStage = Days = 29 Precursor = lateral plate mesoderm GivesRiseTo = MeshName = MeshNumber = DorlandsPre = DorlandsSuf = In embryology, the… …   Wikipedia

  • tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …   Universalium

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