| alternation of generations |
the alternation of two or more different forms in the life cycle of a plant or animal
출처: wordnet.princeton.edu/perl/webwn
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| alternation |
being regularly exchangeable successive change from one thing or state to another and back again
출처: wordnet.princeton.edu/perl/webwn
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| alternation of the heart |
alternating variation in the intensity of the heartbeat or pulse over successive cardiac cycles of regular rhythm. Called also mechanical alternans. Cf. electrical alternans.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| alternation |
(al
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| alternation of generations |
The two distinct reproductive phases of green plants in which stages alternate between haploid cells and diploid cells (gametophyte cells and sporophyte cells).
출처: www.modernhumanorigins.com/a.html
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