1993
DOI: 10.1051/rnd:19930504
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Pronucleus formation in bovine oocytes activated by a single electric pulse

Abstract: Summary ― Bovine oocytes matured in vitro were stimulated by a single pulse of direct current (DC), then cultured for 0.5-6 h and evaluated by light (LM) and transmission electron microscopy (TEM). At the light microscopic level, the beginning of oocyte chromatin decondensation was first observed 3 h post-activation (14%). A well-developed pronucleus with evenly granulated nucleoplasm surrounded by nuclear membrane was found in 12, 61 and 81% oocytes at 4, 5 and 6 h postactivation, respectively. The TEM… Show more

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Cited by 2 publications
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“…The Ca ionophore or ethanol has been used to stimulate oocyte activation and embryo development. When DISCUSSION injected oocytes are activated by 10-min incubation in 50 M of Ca ionophore before and after injection, In all animal species, the fertilization process initiates a cascade of events in the oocyte, which is termed cleavage rates are 21-38% and 2.5-6.7% of the (20) noted that when bovine oocytes were stimulated…”
Section: In Vitro Development Intracytoplasmic Sperm Injectionmentioning
confidence: 99%
“…The Ca ionophore or ethanol has been used to stimulate oocyte activation and embryo development. When DISCUSSION injected oocytes are activated by 10-min incubation in 50 M of Ca ionophore before and after injection, In all animal species, the fertilization process initiates a cascade of events in the oocyte, which is termed cleavage rates are 21-38% and 2.5-6.7% of the (20) noted that when bovine oocytes were stimulated…”
Section: In Vitro Development Intracytoplasmic Sperm Injectionmentioning
confidence: 99%