radial cleavage

'radial cleavage' can also refer to...


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A pattern of cell divisions seen in the developing embryos of deuterostomes, such as echinoderms and amphibians. The first two cleavages are vertical and the third is horizontal. As a result, each of the blastomeres in the upper tier of four cells lies directly over the corresponding blastomeres in the lower tier. Compare with spiral cleavage.

Subjects: Genetics and Genomics.

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