cleavage nucleus

cleavage nucleus
segmentation n.

Medical dictionary. 2011.

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  • cleavage nucleus — noun : the zygote nucleus formed by the fusion of male and female pronuclei * * * cleavage nucleus, Embryology. the nucleus which results from the union of the male and female pronuclei, before the division of the egg into two blastomeres …   Useful english dictionary

  • 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

  • Cleavage stimulation factor — Cleavage stimulatory factor or cleavage stimulation factor (CstF or CStF) is a heterotrimeric protein of about 200 kilodaltons that is involved in the cleavage of the 3 signaling region from a newly synthesized pre messenger RNA (mRNA) molecule.… …   Wikipedia

  • Cleavage stimulatory factor — or cleavage stimulation factor (CstF or CStF) is a heterotrimeric protein of about 200 kilodaltons that is involved in the cleavage of the 3 signaling region from a newly synthesized pre messenger RNA (mRNA) molecule. CstF is recruited by… …   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

  • Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… …   Medical dictionary

  • Cell nucleus — HeLa cells stained for the cell nucleus DNA with the Blue Hoechst dye. The central and rightmost cell are in interphase, thus their entire nuclei are labeled. On the left, a cell is going through mitosis and its DNA has condensed ready for… …   Wikipedia

  • Segmentation nucleus — 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… …   The Collaborative International Dictionary of English

  • Egg 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… …   The Collaborative International Dictionary of English

  • segmentation nucleus — the fertilization nucleus after cleavage has begun. Called also cleavage n …   Medical dictionary

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