5. Cell theory

FUNDAMENTALS OF LIFETeacher. Yessika Andrea Orea Yañez

attendance

breathing exercise

FUNDAMENTALS OF LIFETeacher. Yessika Andrea Orea Yañez

cell theory

how do we know what we know

This theory describes the basic properties of cells, which are the fundamental units of life."

cell theory

THE CELL IS THE BASIC UNIT OF LIFEALL LIVING ORGANISMS ARE COMPOSED OF CELLSALL CELLS COME FROM PREEXISTING CELLS

principles

Rudolf Virchow1855

Matthias Schleiden 1838

Theodor Schwann1839

Antonie Van Leeuwenhoek1670

Robert Hooke1665

He was the first to use the term 'cell' when observing thin slices of cork through a rudimentary microscope.The small cavities he observed reminded him of the cells in a monastery, hence the name."

robert hooke 1665

The first microscope was by Zacharias Jansen

He developed more advanced microscopes and was the first to observe living cells, such as protozoa and bacteria, which he called 'animalcules.

Antonie Van Leeuwenhoek 1670

Botánico alemán que concluyó que todas las plantas están compuestas por células. Schleiden propuso que el crecimiento de las plantas se debe a la producción de nuevas células.

Matthias Schleiden 1838

German physiologist who extended Schleiden's work to animals, concluding that all living organisms, both plants and animals, are composed of cells. Schwann and Schleiden are considered the founders of cell theory.

Theodor Schwann 1839

German physician who added the principle that 'Omnis cellula e cellula' (every cell originates from another cell), laying the foundation for understanding cell reproduction and growth.

Rudolf Virchow 1855