Making Medical Decisions for Someone Else: A Maryland Handbook
How would you describe what you see below to someone else?
12
How would you describe what you see below to someone else?
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Described what he saw as a “cell”
Transcript of How would you describe what you see below to someone else?
How would you describe what you see below to someone
else?
Robert Hooke1665
• Viewed “cork” slices under the
microscope
•Described what he saw as a “cell”
Anton von Leeuwenhoek
(1667)• Looked at pond water under the microscope
• Discovered “animalcules”
Henry DutrochetEarly 1800’s
•All living things are made of cells
Robert Brown1831
• Discovered the nucleus
Matthias Schleiden
1838Viewed plant cells under
the microscope
Viewed animal cells
under the microscope
Theodor Schwann1839
Johannes Purkinje1839
•Discovered cell “jelly” cytoplasm
Rudolph Virchow1855
Cells divide to become other cells
Max Schultze1861
•All cells have cytoplasm
Felix Dujardin1861
•Discovery of one-celled organisms