incomplete cleavage

incomplete cleavage
meroblastic cleavage (cell division in which sister cells are only partially separated from one another by cytokinesis)

Dictionary of ichthyology. 2009.

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  • incomplete cleavage — meroblastic c …   Medical dictionary

  • 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

  • meroblastic cleavage — cell division in which sister cells are only partially separated from one another by cytokinesis. Also called incomplete cleavage …   Dictionary of ichthyology

  • meroblastic cleavage — partial cleavage division of the zygote in which only its protoplasmic portions participate, as occurs in fish, reptiles, and birds; called also incomplete c …   Medical dictionary

  • meroblastic — mero·blas·tic .mer ə blas tik adj characterized by or being incomplete cleavage as a result of the presence of an impeding mass of yolk material (as in the eggs of birds) compare HOLOBLASTIC mero·blas·ti·cal·ly ti k(ə )lē adv * * * mero·blas·tic… …   Medical dictionary

  • blastodisc — blas·to·disc or blas·to·disk blas tə .disk n the embryo forming portion of an egg with discoidal cleavage usu. appearing as a small disc on the upper surface of the yolk mass * * * blas·to·disc (blasґto disk) [blasto + Gr. diskos disk] the convex …   Medical dictionary

  • meroblastic — adjective Etymology: International Scientific Vocabulary Date: 1870 characterized by incomplete cleavage as a result of the presence of a mass of yolk material compare holoblastic • meroblastically adverb …   New Collegiate Dictionary

  • animal 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 …   Universalium

  • Bisulfite sequencing — Figure 1: Outline of bisulfite conversion of sample sequence of genomic DNA. Nucleotides in blue are unmethylated cytosines converted to uracils by bisulfite, while red nucleotides are 5 methylcytosines resistant to conversion …   Wikipedia

  • RNA interference — (RNAi) is a mechanism that inhibits gene expression at the stage of translation or by hindering the transcription of specific genes. RNAi targets include RNA from viruses and transposons (significant for some forms of innate immune response), and …   Wikipedia

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