The principal result of my investigation is that a uniform developmental principle controls the individual elementary units of all organisms, analogous to the finding that crystals are formed by the same laws in spite of the diversity of their forms. — Theodor Schwann Copy Share Image
The cause of nutrition and growth resides not in the organism as a whole but in the separate elementary parts-the cells. — Theodor Schwann Copy Share Image
The principal result of my investigation is that a uniform developmental principle controls the individual elementary units of all organisms, analogous to the finding… — Theodor Schwann Copy Share Image
The elementary parts of all tissues are formed of cells in an analogous, though very diversified manner, so that it may be asserted, that… — Theodor Schwann Copy Share Image
