equal cleavage
1equal cleavage — division of a zygote resulting in blastomeres of equal size …
2Cleavage (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 …
3cleavage — /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… …
4cleavage — 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 …
5Egg cleavage — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… …
6Dodecahedral cleavage — Dodecahedral Do*dec a*he dral, a. Pertaining to, or like, a dodecahedion; consisting of twelve equal sides. [1913 Webster] {Dodecahedral cleavage}. See under {Cleavage}. [1913 Webster] …
7adequal cleavage — division of a zygote resulting in blastomeres that are practically equal in size …
8holoblastic cleavage — division of the zygote in which the entire cell participates in division; subclassified as equal or unequal depending on whether the resulting blastomeres are all of the same size. Called also complete or total c …
9human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… …
10animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …
