![Lub luag haujlwm ntawm cortical granules yog dab tsi? Lub luag haujlwm ntawm cortical granules yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13863003-what-is-the-function-of-cortical-granules-j.webp)
Video: Lub luag haujlwm ntawm cortical granules yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub hnab ntawv fertilization yog tsim los ntawm kev nqa lub vitelline lub hnab ntawv kom deb ntawm cov qe ntshav ntshav. Cov cortical granules muaj cov enzymes uas pab tshem tawm ntawm lub hnab ntawv vitelline, nrog rau lwm yam khoom siv uas pab ua kom osmotic o ntawm lub hnab ntim fertilization deb ntawm lub qe.
Ib yam nkaus, tib neeg nug, cov cortical granule ua dab tsi?
Cortical granules yog cov cai tswj cov secretory organelles (xws li 0.2 um txog 0.6 um hauv txoj kab uas hla) pom hauv oocytes thiab yog feem ntau cuam tshuam nrog kev tiv thaiv polyspermy tom qab qhov tshwm sim ntawm fertilization. Qhov no exocytosis ntawm cortical granules yog lub npe hu ua cortical cov tshuaj tiv thaiv
cortical granule cov tshuaj tiv thaiv yog dab tsi? Anatomical terminology. Cov cortical cov tshuaj tiv thaiv yog txheej txheem pib thaum lub sijhawm fertilization los ntawm kev tso tawm cortical granules los ntawm lub qe, uas tiv thaiv polyspermy, fusion ntawm ntau cov phev nrog ib lub qe.
Los ntawm qhov ntawd, ua li cas cov cortical granules tiv thaiv Polyspermy?
Txhawm rau tiv thaiv polyspermy , zona pellucida, tus qauv uas nyob ib puag ncig cov qe tsiaj, ua tsis tau zoo thaum fertilization, tiv thaiv nkag ntawm phev ntxiv. Cov txheej txheem hloov pauv hauv zona thaum fertilization yog tsav los ntawm exocytosis ntawm cortical granules.
Dab tsi ua phev thib ob los ntawm kev nkag mus rau hauv zes qe menyuam?
Tom qab lub phev nkag mus cytoplasm ntawm oocyte (tseem hu ua ovocyte), tus Tsov tus tw thiab txheej txheej sab nrauv ntawm phev disintegrate thiab cortical cov tshuaj tiv thaiv tshwm sim qhov chaw, tiv thaiv lwm yam phev los ntawm fertilizing tib yam qe . Cov phev nucleus ces fuses nrog ovum , ua kom muaj kev sib txuas ntawm lawv cov khoom siv caj ces.
Pom zoo:
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