preprophace baand

kosha vibhajanathinu vidheyamaakukayum sasyakoshachakrathinte preprophace ghattathilekku praveshikkukayum cheiyunna sasyakoshangalil kaanapedunna oru microtuble sreniyaanu preprophace baand. phragmosomine purame, oru sasyakoshathinu mitosisilekku praveshikkaan pookunnu ennathinte aadya microscopic drishyamaaya adayaalamaanithu. 1966 ll cambridge sarvakalaashaalayile jeremi pakkatt-heeppukalum donald northcoat chernnaanu preprophace baand aadyamaayi nireekshikkukayum vivarikkukayum cheythath.
maittosis aarambhikkunnathin thottumunbu, preprefaces baand phragmosomine plasma membrane thottaduthulla bhaavi division playne chuttumulla microtubilukalude idathoornna bandai roopappedunnu. dna replication poortthiyaaya sesham koshangale vibhajikkumbol koshachakratthinte jii 2 ghattathilekku praveshikkumbol bhaaviyile maittotik spindilnte madhyarekha thalatthile nucleusine ithu valayam cheiyunnu. preprophace bandle pradhaanamaayum microtubilukalum microfilamentukalum (aaktin) adangiyirikkunnu, ithinu saadhaaranayaayi 2-3 micrometer veethiyundu. fluorescent markerukal kondu karayidumbol, nucleusinte iruvashathumulla koshabhithikku aduthulla rund thilakkamulla paadukalaayi ithu kaanaan kazhiyum.
microtuble oorganaising sentarukalaayi sasyakoshangalkk centrosomukal illa. pakaram, nuclear uparithalathile maittotik spindle aggregettinte microtubilukal profaasinte avasaanathil spindle roopappeduthunnathinaayi punakrameekarikkappedunnu. maittotik spindle shariyaayi ooriyantad cheiyunnathil preprophace baand pravartthikkunnu, koodaathe prometaphesu samayat kaaryakshamamaya spindle roopeekaranathinu sambhavana cheiyunnu. 
nuclear envalappu thakarukayum maittotik spindle roopappedukayum cheythayudane preprophace baand aprathyakshamaakukayum aaktin-deppled soonn avasheshikkukayum cheiyunnu. ennirunnaalum, telophase samayat nilavilulla sell vaalumaayi puthiya sell plettinte bhaavi fusion saittukale athinte sthaanam adayaalappeduthunnu. maittosis poortthiyaakumbol, sell plettum puthiya sell vaalum phragmosominte thalatthil kendratthil ninnu aarambikkunnu. preprophace baandinte sthaanam pravachicha sthalangalil vibhajikkunna koshatthinte koshamathilumaayi yojikkunnathuvare koshafalakam puratthekku valarunnu.

