Kuburikidza nebasa raRobert Remak naRudolf Virchow, zvisinei, na1860, vazhinji vezvinhu zvipenyu vakagamuchira dzidziso nhatu dzeizvo zvakazozivikanwa se cell theory.Cell theory yakatungamirira vezvinhu zvipenyu kuti vaongororezve zvisikwa zvakasiyana-siyana se interdependent assemblages of individual cells. Masayendisiti mumunda wekusimuka kwecytology, akashongedzerwa nekukosha kwakasimba kwe microscopes uye nzira itsva dzekuenzanisa, yakaratidza kuti kunyange sero rimwechete rakanga rakafanana. Muna 1838 na 1839, Schleiden naSchwann vakatanga kukurudzira pfungwa dzokuti (1) chinhu chinokosha chezvisikwa i cell uye (2) kuti masero ega ega ane hunhu hwese hwehupenyu, kunyange zvazvo vaipikisa pfungwa yekuti (3) masero ose anobva pakuparadzaniswa kwemamwe masero. Kuburikidza nebasa raRobert Remak naRudolf Virchow, zvisinei, na1860, vazhinji vezvinhu zvipenyu vakagamuchira dzidziso dzese nhatu dzeizvo zvakazozivikanwa se cell theory.
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