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cleavage
(redirected from cleavages)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
cleavage /cleav·age/ (klev´ij)
1. division into distinct parts.
2. the early successive splitting of a zygote into smaller cells (blastomeres) by mitosis.
cleav·age (klvj)
n.
1. A series of cell divisions in the ovum immediately following fertilization. Also called segmentation.
2. The splitting of a complex molecule into two or more simpler molecules. Also called scission.
3. The linear clefts in the skin, indicating the general direction of the fibers in the dermis.
cleavage
1. division into distinct parts, e.g. the double helix.
2. the early successive splitting of a fertilized ovum into smaller cells (blastomeres) by mitosis. See also holoblastic, meroblastic.
cleavage site
the places on a strand of DNA where the restriction enzyme cleaves the DNA.
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Wong argues that democratization made possible the contest of various ideas, and social and redistributive policy issues became salient political cleavages after political democracy was introduced.
Healthy Democracies: Welfare Politics in Taiwan and South Korea by Kwon, Soonman / Pacific Affairs
The issue of cleavages in American attitudes toward social welfare has received surprisingly little attention except as expressed by aggregated data.
Cleavage in American attitudes toward social welfare by Epstein, William M. / Journal of Sociology & Social Welfare
DMAE added to the embryos at the two-cell stage in concentrations of 100-400 [micro]M did not alter cleavage divisions or blastulation, but at very high concentrations (600-800 [micro]M), cleavages were inhibited (Figures 2 and 3).
The sea urchin embryo as a model for mammalian developmental ... by Slotkin, Theodore A. / Environmental Health Perspectives
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