definitions
  • synonyms

palisade layer

A layer of cells just below the upper surface of most leaves, consisting of cylindrical cells that contain many chloroplasts and stand at right angles to the leaf surface. It is the principal region of the leaf in which photosynthesis is carried out and lies above or to the outside of the spongy parenchyma. Also called palisade parenchyma See more at photosynthesis.

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Nearby words

palinode, palinopsia, paliphrasia, palisade, palisade cell, palisade layer, palisade parenchyma, palisades, palisades park, palisado, palisander
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.