- cleavage cells
The cells formed during cleavage; a blastomere.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
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cleavage — 1. Series of mitotic cell divisions occurring in the ovum immediately following its fertilization. SYN: segmentation (2). SEE ALSO: c. division. 2. Splitting of a complex molecule into two or more simpler molecules. SYN: scission (2). 3 … Medical dictionary
Cleavage — may refer to: Cleavage (breasts), partial exposure of the separation between a woman s breasts. Cleavage enhancement, methods of making a person s breast cleavage look more substantial than it really is. Buttock cleavage, minor exposure of the… … Wikipedia
Cleavage — Cleav age, n. 1. The act of cleaving or splitting. [1913 Webster] 2. (Crystallog.) The quality possessed by many crystallized substances of splitting readily in one or more definite directions, in which the cohesive attraction is a minimum,… … The Collaborative International Dictionary of English
Cleavage (embryo) — In embryology, cleavage is the division of cells in the early embryo. The zygotes of many species undergo rapid cell cycles with no significant growth, producing a cluster of cells the same size as the original zygote. The different cells derived … Wikipedia
cleavage — /klee vij/, n. 1. the act of cleaving or splitting. 2. the state of being cleft. 3. the area between a woman s breasts, esp. when revealed by a low cut neckline. 4. a critical division in opinion, beliefs, interests, etc., as leading to… … Universalium
Cleavage furrow — In this electron micrograph of a cell, the cleavage furrow has nearly completely divided the cell … Wikipedia
cleavage — n. (in embryology) the process of repeated cell division of the fertilized egg to form a ball of cells that becomes the blastocyst. The cells (blastomeres) do not grow between divisions and so they decrease in size … The new mediacal dictionary
cleavage stages — initial stages in embryonic development where divisions of blastomeres are clearly marked. Usually the first through sixth cleavages (2 64 cells) … Dictionary of ichthyology
cleavage — n. [A.S. cleophian, split] The process by which the division of the egg cell gives rise to all the cells of the organism … Dictionary of invertebrate zoology
cleavage nucleus — 1. The nucleus of a fertilized egg cell or zygote. 2. The nucleus of egg cells that develop parthenogenetically … Dictionary of invertebrate zoology