Results 231 to 240 of about 259,561 (269)
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Peroxiredoxins in Gametogenesis and Embryo Development
2007Reactive oxygen species have been implicated in gametogenesis and embryo development in animals. As peroxiredoxins are now recognized as important protective antioxidant enzymes as well as modulators of hydrogen peroxide-mediated signaling, we addressed here the putative role of this novel family of peroxidases in gamete maturation and during ...
Isabelle, Donnay, Bernard, Knoops
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The myosin of developing chick embryo
Archives of Biochemistry and Biophysics, 1969Abstract Two components were present in myosin preparations from the early stage of chick embryo. The sedimentation coefficient ( s 20, w 0 ) were 3.4 and 6.7, respectively. The two components were separated with ammonium sulfate. Both components had ATPase activity of myosin type as rabbit myosin. The specific ATPase activity of the 6S component
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The Early Development of Human Embryos
Journal of Medicine and Philosophy, 1985The development of the human embryo from the time of fertilization through the eighth post-fertilization week is described for medical policy purposes. During pre-implantation stages, differentiation occurs between precursors of embryonic and extra-embryonic structures. During implantation formation of a fore-hind axis begins within the inner cell mass.
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Rhombomere development in a reptilian embryo
The Journal of Comparative Neurology, 1999Rhombomere development was investigated in a reptile, Alligator mississippiensis, using a variety of methodologies: cytoarchitecture (cresyl violet), histochemistry (peanut agglutinin), immunocytochemistry (antibodies to acetylated tubulin, vimentin, calretinin, and acetylcholinesterase), and external and internal morphology of wholemount embryos ...
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Circulatory physiology in the developing embryo
Current Opinion in Pediatrics, 2001Knowledge of early developmental circulatory physiology has lagged behind advances in molecular cardiology. Cardiovascular physiology changes during embryonic development in a highly complex and carefully orchestrated manner, tightly correlated with structural development. Circulatory changes in early development include increasing heart rate, preload,
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A method for improving development potential of an embryo and embryos developed therefrom
2016The present invention relates to a method for improving development potential of an embryo, embryos developed therefrom and organisms resulting from embryos developed from the method.
French, Andrew James +2 more
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Antigens in the Developing Newt Embryo
Nature, 1951IMMUNE sera have been prepared in rabbits against isolated tissues of stages of embryonic Triton alpestris. The tissues used were: whole gastrula (crescent-shaped blastopore), archenteron roof, and ectoderm (both from early yolk-plug stages). The antisera were used both for interfacial precipitin tests and, diluted, as stock culture media of the same ...
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Embryo–Endosperm Interactions
Annual Review of Plant Biology, 2022Nicolas M Doll, Gwyneth Ingram
exaly
Vitamin A in Development of the Embryo
The American Journal of Clinical Nutrition, 1969openaire +2 more sources