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(also called primary meristems) meristems at the apex (tip) of stems and roots where primary growth occurs to increase the height of the plant.
(also called the pith) the central part of the stem that consists of large, thin-walled...
undifferentiated mass of tissues that forms when small pieces of the parent plant, called...
the outer region of the kidney, grainy in appearance, in which the Bowman's capsules of the...