primary meristem

primary meristem
Synonym for an apical meristem.

Dictionary of molecular biology. 2004.

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  • primary meristem — noun : a meristem consisting of direct derivatives of embryonic cells that are always active in growth compare secondary meristem * * * primary meristem noun Any of the three meristematic tissues in the developing plant embryo, from which… …   Useful english dictionary

  • primary meristem — Meristem of the shoot or root tip giving rise to the primary plant body …   Glossary of Biotechnology

  • primary meristem — noun Date: 1875 meristem (as procambium) derived from the apical meristem …   New Collegiate Dictionary

  • Meristem — Tunica Corpus model of the apical meristem (growing tip). The epidermal (L1) and subepidermal (L2) layers form the outer layers called the tunica. The inner L3 layer is called the corpus. Cells in the L1 and L2 layers divide in a sideways fashion …   Wikipedia

  • primary — I. adjective Etymology: Middle English, from Late Latin primarius basic, primary, from Latin, principal, from primus Date: 15th century 1. first in order of time or development ; primitive < the primary stage of civilization > < the primary… …   New Collegiate Dictionary

  • primary thickening meristem —   Diffuse primary meristem which decreases in cross sectional extent (i.e. becomes a thinner walled cylinder) in a basipetal direction (DeMason, 1983) …   Expanded glossary of Cycad terms

  • primary tissue — A tissue that has differentiated from a primary meristem …   Glossary of Biotechnology

  • primary growth — noun : growth by the activity of a primary meristem resulting mainly in an increase in length and the addition of appendages compare secondary growth …   Useful english dictionary

  • meristem — /mer euh stem /, n. Bot. embryonic tissue in plants; undifferentiated, growing, actively dividing cells. [1870 75; < Gk merist(ós) divided, distributed (equiv. to *merid , s. of merízein to divide into parts (deriv. of méris part, share) + tos v …   Universalium

  • primary tissue — noun : plant tissue developed during primary growth compare meristem * * * Bot. any tissue resulting directly from differentiation of an apical meristem. [1870 75] …   Useful english dictionary

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