sejttétel
The sejttétel, or "sejtelmelet" (cell theory) in Hungarian, refers to the foundational biological concept that describes the cell as the basic structural and functional unit of all living organisms. Developed through contributions from multiple scientists in the 19th century, this theory remains one of the most important principles in modern biology.
The sejttétel consists of three core principles. First, all living organisms are composed of one or more
Schleiden, a botanist, proposed in 1838 that plants were made of cells, while Schwann later extended this
The sejttétel laid the groundwork for understanding cellular biology, genetics, and molecular processes. It also influenced