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- Q2449224 subject Q21121498.
- Q2449224 abstract "Template:ForThe corona radiata is the innermost layer of the cumulus oophorus and is directly adjacent to the zona pellucida, the outer protective layer of the ovum. Its main purpose in many animals is to supply vital proteins to the cell. It is formed by follicle cells adhering to the oocyte before it leaves the ovarian follicle, and originates from the squamous granulosa cells present at the primordial stage of follicular development. The corona radiata is formed when the granulosa cells enlarge and become cuboidal, which occurs during the transition from the primordial to primary stage. These cuboidal granulosa cells, also known as the granulosa radiata, form more layers throughout the maturation process, and remain attached to the zona pellucida after the ovulation of the Graafian follicle. For fertilization to occur, sperm cells rely on hyaluronidase (an enzyme found in the acrosome of spermatozoa) to disperse the corona radiata from the zona pellucida of the secondary (ovulated) oocyte, thus permitting entry into the perivitelline space and allowing contact between the sperm cell and the nucleus of the oocyte. It takes the secretions of dozens of sperm to weaken the layer enough for one sperm to penetrate.".
- Q2449224 grayPage "39".
- Q2449224 graySubject "3".
- Q2449224 thumbnail Gray3.png?width=300.
- Q2449224 wikiPageExternalLink animation__maturation_of_the_follicle_and_oocyte.html.
- Q2449224 wikiPageExternalLink sld010.htm.
- Q2449224 wikiPageWikiLink Q1321695.
- Q2449224 wikiPageWikiLink Q1543282.
- Q2449224 wikiPageWikiLink Q17145.
- Q2449224 wikiPageWikiLink Q187082.
- Q2449224 wikiPageWikiLink Q21121498.
- Q2449224 wikiPageWikiLink Q21192952.
- Q2449224 wikiPageWikiLink Q2142940.
- Q2449224 wikiPageWikiLink Q219841.
- Q2449224 wikiPageWikiLink Q3246226.
- Q2449224 wikiPageWikiLink Q421111.
- Q2449224 wikiPageWikiLink Q5194195.
- Q2449224 wikiPageWikiLink Q7168931.
- Q2449224 wikiPageWikiLink Q904015.
- Q2449224 wikiPageWikiLink Q948647.
- Q2449224 wikiPageWikiLink Q953556.
- Q2449224 graypage "39".
- Q2449224 graysubject "3".
- Q2449224 name "Corona radiata".
- Q2449224 type AnatomicalStructure.
- Q2449224 type Thing.
- Q2449224 type Q4936952.
- Q2449224 comment "Template:ForThe corona radiata is the innermost layer of the cumulus oophorus and is directly adjacent to the zona pellucida, the outer protective layer of the ovum. Its main purpose in many animals is to supply vital proteins to the cell. It is formed by follicle cells adhering to the oocyte before it leaves the ovarian follicle, and originates from the squamous granulosa cells present at the primordial stage of follicular development.".
- Q2449224 label "Corona radiata (embryology)".
- Q2449224 depiction Gray3.png.
- Q2449224 name "Corona radiata".