Medical Definition of Spiral cleavage
1.
Pattern of early cleavage found in molluscs and annelids (both mosaic eggs).
The animal pole blastomeres are rotated with respect to those of the vegetal pole. The handedness of the spiral twist is maternally inherited.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Lexicographical Neighbors of Spiral Cleavage
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