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en.wikipedia.org/wiki/Cell_theory

The cell was first discovered by Robert Hooke in 1665, which can be found to be described in his book Micrographia.

bitesizebio.com/166/history-of-cell-biology

The cell theory, or cell doctrine, states that all organisms are composed of similar units of ... The cell was first discovered and named by Robert Hooke in 1665.

www.thoughtco.com/cell-theory-373300

Jul 17, 2017 ... The Cell Theory is one of the basic principles of biology. It states that all living things are composed of cells and cells are the basic units of life.

www.saylor.org/site/wp-content/uploads/2010/11/Wiki-Cell-Theory.pdf

vitalism theories proposed before the discovery of cells. The idea that cells were ... fundamental tenets of modern cell theory by declaring that "The cell is the ...

www.smithlifescience.com/celltheory.htm

Discovery of Cells and the Development of Cell Theory The study of cells started about 330 years ago. Before that time cells escaped notice because of their ...

study.com/academy/lesson/what-is-cell-theory-definition-timeline-parts.html

Many scientists and the discovery of the microscope contributed to new ideas about living things. One important idea is cell theory, which draws on...

www.kidsbiology.com/biology_basics/cells_tissues_organs/cell_history_discovery4.php

German biologist Matthias Schleiden discovered that every part of a plant he looked at was ... Today scientists have developed what we call the Cell Theory.

www.science-of-aging.com/timelines/hooke-history-cell-discovery.php

Sep 9, 2009 ... The 1600s - Explaining Life before Cell Theory · || Timeline ... When Hooke viewed a thin cutting of cork he discovered empty spaces contained ...

www.biologyreference.com/Gr-Hi/History-of-Biology-Cell-Theory-and-Cell-Structure.html

These simple and powerful statements form the basis of the cell theory, first formulated by ... The discovery of cell division is usually attributed to Hugo von Mohl ...