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apical meristem

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
apical meristem
n.
A meristem at the tip of a plant shoot or root that causes the shoot or root to increase in length.

apical meristem
A meristem at the tip of a plant shoot or root that produces auxin and causes the shoot or root to increase in length. Growth that originates in the apical meristem is called primary growth. In vascular plants, the apical meristem produces three kinds of primary meristems: the protoderm, ground meristem, and procambium. These in turn produce primary tissues. See more at meristem.


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He then examines the patterning of plant components in detail, describing the patterning of the angiosperm embryo, the shoot apical meristem, the patterning of roots, the vegetative shoot and transition to flowering, the angiosperm leaf and the patterning of flowers and their members.
2 Botanical concepts to model plant development As explained in Barthelemy and Caraglio (2007), organogenesis results from the functioning of undifferentiated cells constituting the apical meristem and located at the tip of axes.
The apical meristem grows so rapidly that by carefully selecting the few cells at the tip, virus and other mutation problems are left behind to result in a new plant that is vigorous, disease-free, and fast growing.
 
 
 
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