File:Figure_28_00_01.JPG · Wikimedia Commons · See Wikimedia Commons
Ovulation is the release of egg cells from the ovaries, a key part of the menstrual cycle that typically happens around the middle of the cycle in women. This process, triggered by a surge in luteinizing hormone, is important because it makes pregnancy possible by releasing the egg that can be fertilized.
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Key facts
- Anatomy.Name
- Ovulation
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- Figure 28 00 01.JPG
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- Following a surge of luteinizing hormone (LH), an oocyte (immature egg cell) will be released into the uterine tube, where it will then be available to be fertilized by a male's sperm within 12 hours. Ovulation marks the end of the follicular phase of the ovarian cycle, and the start of the luteal phase.
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Research
64,083 papers- New insights of the role of β-NGF in the ovulation mechanism of induced ovulating species.ReviewReproduction (Cambridge, England) · 2019Ratto MH, Berland M, Silva ME et al.DOI: 10.1530/REP-18-0305
- Spontaneous ovulation in the cat: incidence among queens presented at a veterinary teaching facility.Journal of feline medicine and surgery · 2024Pereira MC, Schrank M, Mollo A et al.DOI: 10.1177/1098612X241248351
- Kisspeptin induces LH release and ovulation in an induced ovulator†.Biology of reproduction · 2020Carrasco RA, Leonardi CE, Hutt K et al.DOI: 10.1093/biolre/ioaa051
- Ovulation failure and double ovulation in dairy cattle: risk factors and effects.Theriogenology · 2005López-Gatius F, López-Béjar M, Fenech M et al.DOI: 10.1016/j.theriogenology.2004.06.010
- Stress-related cortisol and progesterone concentrations influence the success of ovulation induction in estrous cats.Theriogenology · 2026Ozturk B, Cetinkaya YB, Ayalp-Erkan A et al.DOI: 10.1016/j.theriogenology.2026.117849
- Incidence of double ovulation during the early postpartum period in lactating dairy cows.Theriogenology · 2017Kusaka H, Miura H, Kikuchi M et al.DOI: 10.1016/j.theriogenology.2016.12.029
- Transition cow metabolites and physical traits influence days to first postpartum ovulation in dairy cows.Theriogenology · 2021Banuelos S, Stevenson JSDOI: 10.1016/j.theriogenology.2021.08.002
- Luteinizing hormone requirements for ovulation in the pentobarbital-treated proestrous rat.Endocrinology · 1976Gosden RG, Everett JW, Tyrey LDOI: 10.1210/endo-99-4-1046
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Wikidata facts
- Instance of
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- purl.obolibrary.org/obo/GO_0030728
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Article · Deutsch
Der Follikelsprung (auch Eisprung genannt oder Ovulation von lateinisch ovulum, der Verkleinerungsform von ovum für ‚Ei‘) ist die periodische Ausstoßung einer unbefruchteten Eizelle aus einem sprungreifen Follikel des Eierstocks während der Ovulationsphase des Menstruationszyklus. Beim Follikelsprung wird die Eizelle aktiv in den Eileiter aufgenommen, wo sie dann durch ein Spermium befruchtet werden kann. Bereits im 12. Jahrhundert bestimmte Maimonides, ein andalusisch-nordafrikanischer Gelehrter, den 14. Zyklustag als den fruchtbaren Tag (als 1. Tag wird der erste Tag der Monatsblutung bezeichnet). Der Zweck des Menstruationszyklus, der Eisprung, wurde 1842 von Theodor Bischoff und von Félix Archimède Pouchet in seiner Bedeutung erkannt.
Abstract from DBpedia / Wikipedia · CC BY-SA
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