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meristem
[ mer-uh-stem ]
noun
, Botany.
- embryonic tissue in plants; undifferentiated, growing, actively dividing cells.
meristem
/ ˌmɛrɪstɪˈmætɪk; ˈmɛrɪˌstɛm /
noun
- a plant tissue responsible for growth, whose cells divide and differentiate to form the tissues and organs of the plant. Meristems occur within the stem (see cambium ) and leaves and at the tips of stems and roots
meristem
/ mĕr′ĭ-stĕm′ /
- Plant tissue whose cells actively divide to form new tissues that cause the plant to grow. The originally undifferentiated cells of the meristem can produce specialized cells to form the tissues of roots, leaves, and other plant parts. The meristem includes the growing tips of roots and stems (the apical meristems) and the tissue layer known as cambium.
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Derived Forms
- meristematic, adjective
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Word History and Origins
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Word History and Origins
Origin of meristem1
C19: from Greek meristos divided, from merizein to divide, from meris portion
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Example Sentences
It isn't interest in apical cell or primary meristem that makes me fret to return to Prof. Darmstetter!
From Project Gutenberg
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