Raris ring warsa 1838, Schleiden miwah Schwann ngawitin nglimbakang pamineh sané universal nganinin indik (1) unit dasar organisme punika wantah sel miwah (2) sel saking individu madué soang-soang lintih kauripannyané, yadiastun ipun banget nénten satinut ring paminehé puniki indik (3) katah sel sané mawit saking sel punika sané nyibak raga.
Then, in 1838, Schleiden and Schwann began promoting the now universal ideas that (1) the basic unit of organisms is the cell and (2) that individual cells have all the characteristics of life, although they opposed the idea that (3) all cells come from the division of other cells.