Oocyte - Wikipedia
WEBAn oocyte (UK: / ˈoʊəsaɪt /, US: / ˈoʊoʊ -/), oöcyte, or ovocyte is a female gametocyte or germ cell involved in reproduction. In other words, it is an immature ovum, or egg cell. An oocyte is produced in a female fetus in the ovary during female gametogenesis.
Human oocyte developmental potential is predicted by …
WEBFeb 24, 2016 · The ability to predict embryo viability at such an early stage strongly suggests that much of human embryo developmental potential is determined before fertilization by the contents of the oocyte.
oocyte | Human Reproduction - Oxford Academic
WEBAug 1, 2012 · An ideal mature human oocyte, based on morphological characteristics, should have a ‘normal-looking’ cytoplasm, a single polar body, an appropriate zona pellucida (ZP) thickness and proper perivitelline space (PVS; Swain and Pool, 2008).
Oocyte Morphology and Reproductive Outcomes - Case Report …
WEBAug 13, 2020 · The literature review on this topic aims to relate the characteristics of the oocytes, presented in the case report, with research results about the quality and morphology of the oocytes. Keywords: oocyte quality, oocyte morphology, oocyte dysmorphism, in vitro fertilization (IVF), reproductive outcomes.
Unscrambling the oocyte and the egg: clarifying terminology of …
WEBOct 6, 2020 · What is an oocyte? What is an egg? Are these terms the same, different, interchangeable? Here we provide functional definitions of the oocyte and egg, and how they can be used in the context of mammalian gamete biology and beyond. Keywords: oocyte, oocyte maturation, egg, gamete / mammalian.
Making a good egg: human oocyte health, aging, and in vitro
WEBOct 1, 2023 · This review outlines the mechanisms and regulatory pathways that govern the processes of oocyte and follicle formation and later growth, within the ovarian stroma, through to ovulation with particular reference to human oocytes/follicles.
Systematic review of mRNA expression in human oocytes: …
WEBAug 10, 2023 · Through the present systematic review, authors aim to identify quantitative differences in transcriptome of human oocytes that may link to patient demographics that could affect oocyte competence.
Reconstitution of the oocyte transcriptional network with ... - Nature
WEBDec 16, 2020 · This study identifies a core set of transcription factors for orchestrating oocyte growth, and provides an alternative source of ooplasm, which is a unique material for reproductive biology and...
Unravelling oocyte ultrastructure | Nature Reviews Molecular Cell …
WEBJul 7, 2022 · This pioneering work provided precious information on subcellular structure of early human oocytes — a cell type that remains challenging to study — and continues to drive research today.
Cytoplasmic maturation in human oocytes: an ultrastructural study - PubMed
WEBJan 4, 2021 · Here, we report our findings from the ultrastructural analysis of 69 unfertilized human oocytes from 34 young and healthy egg donors. By comparison of samples fixed at three consecutive developmental stages, we explored how ooplasmic architecture changes during meiotic maturation in vitro.
Skip to content