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noun(embryology) the repeated division of a fertilised ovum
Similar:
type of: -
nounthe act of cleaving or splittingtype of:
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nounthe breaking of a chemical bond in a molecule resulting in smaller molecules
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nounthe line formed by a groove between two parts (especially the separation between a woman's breasts)
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"there was a cleavage between the liberal and conservative members"nounthe state of being split or clefttype of:
Definition that contains cleavage
- mica any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity
- isinglass any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity
- blastosphere early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
- blastomere any cell resulting from cleavage of a fertilized egg
- proteolysis the hydrolysis of proteins into peptides and amino acids by cleavage of their peptide bonds
- blastula early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
- argillite a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages