oocyte

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oocyte

[′ō·ə‚sīt]
(histology)
An egg before the completion of maturation.
References in periodicals archive ?
In most cases, the atresic cytoplasm stained more intensely, becoming darker compared with that of healthy oocytes.
It was observed both clinically and statistically that smoking had a negative impact on only the low number of oocytes, clinical pregnancy and low rates.
In spite of some reports regarding the adverse effects of oocyte cryopreservation (40-44), there was poor information related to the changes in mtDNA copy number and mitochondrial enzyme activity of oocytes after vitrification.
When the researchers irradiated mice lacking the CHK2 gene, the oocytes survived, eventually repaired the DNA damage, and the mice gave birth to healthy pups.
A significant difference in IVF success rate existed for oocytes grown in [alpha]-MEM (69.
Thus, we herein investigated if functional blockade of Egr3 hinders meiotic maturation of oocytes by microinjecting dominant-negative Egr3 complementary RNA (cRNA) and small interfering RNA (siRNA) specific to Egr3.
9) Modulating ROS becomes a balancing act for oocytes, which contain the highest number of mitochondria of any cell.
Only two (Davis, 1976; McBride & Johnson, 2007) have addressed spatial development of oocytes in the ovaries.
After denudation, oocytes were fixed with methanol + acetic acid (3:1) for 48 h at 4[grados]C, stained with 1% solution of lacmoid in 45% glacial acetic acid, evaluated under an optical microscope and classified according to the meiotic stage reached: mature (metaphase II + polar body, telophase I) and immature (anaphase I, metaphase I, chromosomal condensation and germinal vesicle).
During IVEP, in vitro maturation is a crucial step for the generation of quality oocytes capable of being fertilized and developed into normal embryos (Wang et al.