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.


Mikroskopische Untersuchungen über die Uebereinstimmung in der Struktur und dem Wachsthum der Thiere und Pflanzen (1839). Microscopic Researches into the Accordance in the Structure and Growth of Animals and Plants, trans. Henry Smith (1847)

Theodor Schwann Quotes

The principal result of my investigation is that a uniform developmental principle controls the individual elementary units of all organisms,...

The principal result of my investigation is that a uniform developmental principle controls the individual elementary units of all organisms,...

The principal result of my investigation is that a uniform developmental principle controls the individual elementary units of all organisms,...

The principal result of my investigation is that a uniform developmental principle controls the individual elementary units of all organisms,...