نتایج جستجو برای: oocyte maturity
تعداد نتایج: 42467 فیلتر نتایج به سال:
Background and Aims: One of the major subjects for improving in vitro fertilization (IVF) outcome is the quantity and quality of retrieved oocytes. In vitro maturation (IVM) provides an opportunity for using immature oocytes routinely discarded in clinics. This study aimed at evaluating the quality of embryos derived from in vivo and rescue in vitro matured oocytes. Materials and Methods: Tota...
2. The biology of the oocyte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 2.1. Oogenesis and development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 2.2. Bioelectrical properties of the oocyte . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 2.3. The oocyte at work...
Oocyte quality is a key limiting factor in female fertility, yet we have a poor understanding of what constitutes oocyte quality or the mechanisms governing it. The ovarian follicular microenvironment and maternal signals, mediated primarily through granulosa cells (GCs) and cumulus cells (CCs), are responsible for nurturing oocyte growth, development and the gradual acquisition of oocyte devel...
Histological analysis was carried out on ovarian development in the picnic seabream, Acanthopagrus berda (Forsskål 1775) caught estuarine waters of Calicut, Kerala, India from January to December 2016. Four developmental phases oocyte were identified viz., oogonia proliferation and transformation into primary oocyte, growth phase, secondary phase maturation these are similar those described for...
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