oocyte


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oocyte

[′ō·ə‚sīt]
(histology)
An egg before the completion of maturation.
References in periodicals archive ?
To assess the importance of oocyte atresia throughout the reproductive cycle of Tapes philippinarum, the following oocyte volume fractions were calculated (Weibel et al.
Conclusion: Despite improvement in health care, most fertile and infertile women are still against oocyte donation.
Methods: The retrospective study was conducted at Novafertil IVF centers in Konya, Turkey and comprised oocytes of both smoker and non-smoker couples subjected to in vitro fertilisation / introcytoplasmic sperm injection from 2012 to 2015.
The mtDNA copy number has a link with oocyte quality and plays vital role in production of ATP within the oocyte (20, 21).
CHK2 functions in a pathway that eliminates oocytes with DNA damage, a natural function to protect against giving birth to offspring bearing new mutations.
According to previous reports (25,29), meiotic progress, oocyte growth, cumulus cell proliferation, and numerous other processes associated with IVM are stimulated by the above mentioned growth factors and cytokines.
Injection volume was 5 to 10 pL, which is about 1% to 3% of total oocyte volume.
A 2015 study in Aging Cell demonstrated that CoQIO supplementation delayed depletion of ovarian reserve, restored oocyte mitochondrial gene expression, and improved mitochondrial activity in aging mice.
Gonadal development studies have focused in standard histological methods, and very few studies have used digital image analysis, to calculate average oocyte diameter and estimate oocyte density (Nichol & Acuna, 2001; McElroy et al.
Importantly, the lipid content of the zygote is also a determining factor in the development potential of the future embryo; it is well known that the oocyte uses the energy derived from LD located in the COCs through the p-oxidation for subsequent metabolic processes [10].
Although serum has an inevitable ability to support oocyte maturation and embryo development in vitro, there are certain disadvantages.