Primary-meristem
noun, Botany.
1.
primary tissue derived from an apical meristem.
primary meristem
One of the three meristems in vascular plants (the procambium, protoderm, or ground meristem) derived from an apical meristem. Compare lateral meristem. See more at apical meristem, primary growth.
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noun, Graphic Design. 1. a point in or toward the upper left-hand corner of a printed page, advertisement, or the like, looked at first in reading. Abbreviation: POA.