| 单词 | primary growth |
| 释义 | primary growthnoun Botany.growth in vascular plants, especially an increase in length, that results from cell division and differentiation of an apical meristem. Words nearby primary growthprimary effect, primary election, primary fissure of cerebellum, primary gain, primary group, primary growth, primary hemochromatosis, primary hemorrhage, primary herpetic stomatitis, primary hyperoxaluria and oxalosis, primary industry Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for primary growthprimary growth Growth in vascular plants resulting from the production of primary tissues by an apical meristem. The plant body grows lengthwise chiefly by the enlargement of cells produced by the apical meristem (rather than by cell division). Because they lack secondary tissues, most monocots and herbaceous plants grow solely by primary growth until they reach maturity, when growth stops. Compare secondary growth. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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