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*  Female sperm storage
Serving as an arena in which sperm from different mating males compete for access to oocytes, a process called sperm ... maintaining sperm viability until an oocyte is ovulated (e.g. insects and mammals). Decreasing the incidence of polyspermy (e.g ... in which they become physiologically capable of fertilizing an oocyte (e.g. mammals) and b.) ... to a female during mating are temporarily retained within a specific part of the reproductive tract before the oocyte, or egg, ...
*  Oocyte
An oocyte (UK: /ˈoʊəsʌɪt/, US: /ˈoʊ.oʊ.saɪt/), oöcyte, ovocyte, or rarely ocyte, is a female gametocyte or germ cell involved ... Oocytes are rich in cytoplasm, which contains yolk granules to nourish the cell early in development. During the primary oocyte ... As the oocyte is a product of female gametogenesis, the maternal contribution to the oocyte and consequently the newly ... Oogenesis results in the formation of both primary oocytes during fetal period, and of secondary oocytes after it as part of ...
*  Oocyte cryopreservation
Human oocyte cryopreservation (egg freezing) is a procedure to preserve a woman's eggs (oocytes). This technique was mainly ... "Delivery rate using cyropreserved oocytes is comparable to conventional in vitro fertilization using fresh oocytes: potential ... Frozen oocyte storage costs tend to be slightly less expensive as well, with typical costs as low as $200-300 per year. Cost of ... Eggs (oocytes) are frozen using either a controlled-rate, slow-cooling method or a newer flash-freezing process known as ...
*  Oocyte activation
Oocyte (or ovum/egg) activation is a series of processes that occur in the oocyte during fertilization. Sperm entry causes ... Oocyte activation may be artificially facilitated by calcium ionophores, something that is speculated to be useful in case of ... The meiotic cycle of the oocyte was suspended in metaphase of the second meiotic division. Once PLCζ is introduced into the ... Kashir, J.; Heindryckx, B.; Jones, C.; De Sutter, P.; Parrington, J.; Coward, K. (2010). "Oocyte activation, phospholipase C ...
*  Oocyte selection
... is a procedure that is performed prior to in vitro fertilization, in order to use oocytes with maximal chances ... oocytes (58.5% vs. 43.9% and 5.7 vs. 5.0, respectively). Also, morphological features of the oocyte that can be obtained by ... Rienzi, L.; Vajta, G.; Ubaldi, F. (2010). "Predictive value of oocyte morphology in human IVF: a systematic review of the ... Embryos from rescued in vitro-matured metaphase II (IVM-MII) oocytes show significantly higher fertilization rates and more ...
*  Transvaginal oocyte retrieval
... (TVOR), also referred to as oocyte retrieval (OCR), is a technique used in in vitro fertilization ... Transvaginal oocyte retrieval is more properly referred to as transvaginal ovum retrieval when the oocytes have matured into ... Steptoe and Edwards used laparoscopy to recover oocytes when IVF was introduced, and laparoscopy was the major method of oocyte ... Follicular flushing has not been found to increase pregnancy rates, nor result in an increase in oocyte yield. On the other ...
*  Oocyte maturation inhibitor
The oocyte maturation inhibitor (OMI) is an inhibitory factor created by follicular cells during a primary oocyte maturation. ... "Decline of follicular oocyte maturation inhibitor coincident with maturation and achievement of fertilizability of oocytes ... It is believed to be the reason why the oocyte remains for so long in the immature dictyate state of meiosis. Channing CP, Liu ...
*  Formyl peptide receptor 3
Expression in Xenopus oocytes". FEBS Letters. 261 (2): 353-7. doi:10.1016/0014-5793(90)80590-f. PMID 1690150. Coats WD, Navarro ... J (Apr 1990). "Functional reconstitution of fMet-Leu-Phe receptor in Xenopus laevis oocytes". The Journal of Biological ...
*  Formyl peptide receptor 1
Expression in Xenopus oocytes". FEBS Letters. 261 (2): 353-7. doi:10.1016/0014-5793(90)80590-f. PMID 1690150. Coats WD, Navarro ... Murphy PM, McDermott D (Jul 1991). "Functional expression of the human formyl peptide receptor in Xenopus oocytes requires a ... J (Apr 1990). "Functional reconstitution of fMet-Leu-Phe receptor in Xenopus laevis oocytes". The Journal of Biological ...
*  Tex36
The transcriptome of human oocytes. Proceedings of the National Academy of Sciences, 103(38), 14027-14032. Group, Schuler. "EST ...
*  Rhinella proboscidea
Males use their front and hind limbs to squeeze the sides of the corpse's belly until oocytes are ejected. The oocytes are then ...
*  FAM76A
Another experiment demonstrated that metaphase II oocyte cells were shown to have more expression of FAM76A compared to control ... sapiens metaphase II oocytes and control (consisting of a mixture of skeletal muscle, kidney, lung, colon, liver, spleen, ... "The transcriptome of human oocytes". Proceedings of the National Academy of Sciences of the United States of America. 103 (38 ... "The transcriptome of human oocytes". Proceedings of the National Academy of Sciences of the United States of America. 103 (38 ...
*  John Jain
Cryopreservation Oocyte cryopreservation KNBC.com June 15, 2005. Retrieved on August 4, 2008 Los Angeles Times, July 18, 2005. ... Jain wrote an important review article on oocyte cryopreservation for the journal Fertility Sterility in 2006, identifying him ... Jain is the author of numerous scientific articles and chapters, including: Jain JK, Paulson RJ (October 2006). "Oocyte ... "Pregnancy Outcome After Cryopreservation of All Oocytes from a Single Ovulatory Cohort: A Prospective Clinical Trial". ...
*  Poor ovarian reserve
Donor oocyte. Oocyte donation is the most successful method for producing pregnancy in perimenopausal women. In the UK the use ... Quality of the eggs (oocytes) may also be impaired as a 1989 study by Scott et al. of 758 in vitro fertilisation (IVF) cycles ... Prior to these papers it was believed that the number of oocytes was fixed. While the primary cause of the end to menstrual ... Poor ovarian reserve is a condition of low fertility characterized by 1): low numbers of remaining oocytes in the ovaries or 2 ...
*  Bone morphogenetic protein 15
It is thought that this protein may be involved in oocyte maturation and follicular development as a homodimer or by forming ... 1999). "Human growth differentiation factor 9 (GDF-9) and its novel homolog GDF-9B are expressed in oocytes during early ... 2000). "Mutations in an oocyte-derived growth factor gene (BMP15) cause increased ovulation rate and infertility in a dosage- ... It is a paracrine signaling molecule involved in oocyte and follicular development. Using Northern blot analysis, BMP15 has ...
*  Sponge
Oocytes and spermatocytes are reproductive cells. Sclerocytes secrete the mineralized spicules ("little spines") that form the ... Mesohyl Pinacocyte Choanocyte Lophocyte Porocyte Oocyte Archeocyte Sclerocyte Spicule Water flow A sponge's body is hollow and ...
*  Starfish
... oocytes are well suited for this research as they are large and easy to handle, transparent, simple to maintain in sea ... Female starfishs produce large numbers of oocytes that are easily isolated; these can be stored in a pre-meiosis phase and ... "Cytoskeletal dynamics and function in oocytes". European Molecular Biology Laboratory. Retrieved 2013-07-22. Davydov, P. V.; ...
*  Mir-625 microRNA precursor family
Xu, Y. W.; Wang, B.; Ding, C. H.; Li, T.; Gu, F.; Zhou, C. (2011). "Differentially expressed micoRNAs in human oocytes". ...
*  Germ cell
Oocyte maturation is the following phase of oocyte development. It occurs at sexual maturity when hormones stimulate the oocyte ... Oocyte maturation stands by at metaphase II in most vertebrates. During ovulation, the arrested secondary oocyte leaves the ... Most follicular granulosa cells stay around the oocyte and so form the cumulus layer. Large non-mammalian oocytes accumulate ... These cells are connected by cytoplasmic bridges with oocytes. The nurse cells of insects provide oocytes macromolecules such ...
*  Abraliopsis felis
Female oocytes measure 1.5 mm in length. Barratt, I. & Allcock, L. (2014). "Abraliopsis felis". The IUCN Red List of Threatened ...
*  Dusky smooth-hound
Adults have large ovaries and vitellogenic oocytes. Spermatozoa has been observed in pre-ovulatory females. Juvenile males have ... Adolescents have enlarged oviducal glands with distinguishable oocytes and no or few corporalutea. ...
*  Polistes annularis
Their ovaries are full of mature oocytes. Of all the foundresses in an association, only one foundress assumes the role of ...
*  KCNE1
... increased both their peak currents in oocyte expression studies, and slowed the activation of the latter., KCNE1 also ... Finally, KCNE1 inhibited Kv12.2 in Xenopus oocytes. The large majority of studies into the structural basis for KCNE1 ... No effects were observed upon oocyte co-expression of KCNE1 and Kv4.2, but KCNE1 was found to slow the gating and increase ... subunits in Xenopus oocytes". Cellular Physiology and Biochemistry. 18 (1-3): 57-66. doi:10.1159/000095158. PMID 16914890. ...
*  Broad-headed snake
Unfertilized oocytes and stillborn offspring are common. The broad-headed snake was once commonly found in parts of Sydney ...
*  Centrosome
Alliegro, M. C.; Alliegro, M. A.; Palazzo, R. E. (2006). "Centrosome-associated RNA in surf clam oocytes". Proceedings of the ...