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Dro blennya 1 2 zridka dro binnya 3 seriya mitotichnih podiliv zigoti yaka nastaye pislya zaplidnennya ta v rezultati yakoyi kilkist klitin blastomeriv zarodka zrostaye prote masa ne zbilshuyetsya U klitinnomu cikli rannih blastomeriv vidsutnya stadiya G1 en klitini lishe podvoyuyut DNK S faza en ta dilyatsya M faza ne zbilshuyuchi svoyih rozmiriv natomist citoplazma zigoti perevazhnu bilshist yakoyi stanovit ooplazma yajceklitini rozpodilyayetsya mizh novoutvorenimi klitinami 4 Droblennya cherevonogogo molyusku TrochusPislya 4 poslidovnih mitotichnih podiliv na stadiyi 16 ti klitin 24 16 formuyetsya morula vid Morus shovkovicya Na cij stadiyi formuvannya embriona klitin staye dostatno dlya formuvannya vnutrishnogo j zovnishnogo shariv Vnutrishnij shar formuye tak zvanu vnutrishnyu klitinnu masu en yaka potim dast osnovu embrionu a zovnishnij shar formuye trofoblast yakij sformuye horion sho potim zlivayetsya z allantoyisom u reptilij amfibij ta ptahiv abo sformuye placentu u ssavciv 5 Iniciaciya droblennya RedaguvatiDlya perehodu vid stadiyi zaplidnennya do podilu klitin neobhidna aktivaciya faktoru stimulyaciyi mitozu en angl Maturation promoting factor MPF 4 MPF bulo vidkrito 1971 roku Joshio Masui angl Yoshio Masui ta Klement Markert angl Clement Markert yak faktor sho prizvodit do aktivaciyi dilennya oocitiv zhabi Rana pipiens 6 Nezabarom bulo vstanovleno sho vin nayavnij ne lishe v zemnovodnih a j u molyuskiv morskih zirok mishej ta lyudskoyi klitinnoyi liniyi HeLa Naprikinci 80h rokiv XX st viyavleno 6 sho MPF skladayetsya z ciklin zalezhnoyi kinazi B Cdk1 7 Primitki Redaguvati Golovackij A S ANATOMIYa LYuDINI TOM 1 u troh tomah Nova Kniga s 69 ISBN 978 966 382 491 8 S M Garmatina A S Pustovalov 2009 Evolyucijna embriologiya Arhiv originalu za 19 lyutogo 2019 Procitovano 18 lyutogo 2019 Enciklopediya suchasnoyi Ukrayini red kol I M Dzyuba ta in NAN Ukrayini NTSh K Institut enciklopedichnih doslidzhen NAN Ukrayini 2001 2022 ISBN 966 02 2074 X Sabadishin R O Buhalska S Ye Medichna biologiya Pidruchnik dlya studentiv vishih medichnih navchalnih zakladiv I II rivniv akreditaciyi Nova Kniga s 136 ISBN 978 966 382 091 0 a b Scott F Gilbert 31 bereznya 2010 Developmental Biology English vid 9 Sinauer Associates s 160 ISBN 0878933840 Tomas V Sadler 2001 Medichna embriologiya za Langmanom Ukrayinska pereklad Oleksandr Lucik Oksana Kulik vid 8 Lviv Nautilus ISBN 966 95745 3 6 Arhiv originalu za 19 sichnya 2015 Procitovano 2 serpnya 2015 a b Takeo Kishimoto February 2015 Entry into mitosis a solution to the decades long enigma of MPF Chromosoma PMID 25712366 doi 10 1007 s00412 015 0508 y Bilok Cyclin dependent kinase 1 B ciklin zalezhna kinaza 1 B Shporkovoyi gladenkoyi zhabi Xenopus laevis v bazi danih UniProt P24033Dzherela RedaguvatiTomas V Sadler 2001 Medichna embriologiya za Langmanom Ukrayinska pereklad Oleksandr Lucik Oksana Kulik vid 8 Lviv Nautilus ISBN 966 95745 3 6 Otrimano z https uk wikipedia org w index php title Droblennya biologiya amp oldid 35142059