Cell Biology : Introduction and Discovery Of Cells

• A cell is a structural and functional unit of all living organisms
• Cell is the building block of all living organisms
• It is microscopic
• All living things are made up of cells

Discovery Of Cells

• Anton van Leewenhoek (1632-1723) The study of cell is impossible without microscope. studied the structure of bacteria, protozoa, red blood cells under the simple microscope that was designed by him.

• Robert Hooke (1665) the empty honey-comb like structures viewed in a thin section of bottle cork. The word cell was first coined by Robert hook

• Schleiden (1838) the German botanist proposed that all plants are made up of plant cells

• Theodore Schwann (1839) - The anatomist Theodore Schwann studied and concluded that all animals are also composed of cells.

• Rudolf Virchow (1858) - Cell theory was again rewritten

• Robert Brown (1831) discovered the presence of nucleus in the cells of orchid roots. This was an important discovery.

• Purkinje (1840) - He coined the term protoplasm for the slimy substance that is found inside the cells.

• The invention of electron microscope in the year 1932 more and more information about the become available to us.

Related Items Cell Biology