نتایج جستجو برای: embryo rescue
تعداد نتایج: 94794 فیلتر نتایج به سال:
The application of tissue culture techniques, particularly in the area of embryo rescue, has had a major impact on the maintenance and development of hybrid embryo from wide crosses. Embryo rescue techniques are directed towards obtaining more efficient survival of embryos in situations where very immature embryos are to be cultured. An in vitro embryo rescue culture technique has been develope...
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...
Embryo culture were used to produce inter specific walnut hybrid plants between Juglans nigra L. and J. regia L. Developed ovaries were collected from J. rejia female flowers which were pollinated with J. nigra pollen grain by high dusting on a mature tree. In order to isolate embryos, exocarps were aseptically removed. Isolated embryos from ovules at different developmental stages were transfe...
The in vitro maturation of GV oocytes retrieved from gonadotrophin-stimulated IVF cycles (rescue-IVM) is generally not recommended because the lower developmental competence, implantation rate, and higher rate chromosomal anomalies than vivo-matured oocytes. However, most relevant studies analyzed cleavage stage embryos may therefore have included some that were developmentally arrested. Additi...
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