Antoni van Leeuwenhoek 1632-1723.
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منابع مشابه
Antoni van Leeuwenhoek (1632–1723)
economic answer to any of the French or English studies of death from the standpoint of social history. It is a study of infant mortality as an indicator of the patterns that can be perceived if the statistics generated during the late nineteenth century are examined in the light of their social grouping. Now Spree does this very well. He is interested in the individual as an economic entity an...
متن کاملAnton Van Leeuwenhoek (1632-1723).
*Dept. of Medicine, TN Medical College & BYL Nair Ch. Hospital, Mumbai 400 008. L was a Dutch storekeeper and part-time janitor in Delft. he was little educated, but his business and his job kept him comfortably off and he lived only for his hobby, grinding of lenses. He made lens after lens and was determined to make as perfect a lens as possible. These lenses were small, scarcely about 3-4 mm...
متن کاملAnton van Leeuwenhoek (1632-1723): father of micromorphology and discoverer of spermatozoa.
The Dutch merchant and naturalist Anton van Leeuwenhoek is considered to be the father of optic microscopy and the precursor of bacteriology. Among others, he discovered and studied the spermatozoon.
متن کاملThe discovery of microorganisms by Robert Hooke and Antoni Van Leeuwenhoek, fellows of the Royal Society.
The existence of microscopic organisms was discovered during the period 1665-83 by two Fellows of The Royal Society, Robert Hooke and Antoni van Leeuwenhoek. In Micrographia (1665), Hooke presented the first published depiction of a microganism, the microfungus Mucor. Later, Leeuwenhoek observed and described microscopic protozoa and bacteria. These important revelations were made possible by t...
متن کاملHydra
What is Hydra? Hydra is a member of the animal phylum Cnidaria. This phylum includes corals, sea anemones and jellyfish. While most cnidarians are marine, Hydra is unusual in that it lives exclusively in fresh water. Hydra was first described by Antoni van Leeuwenhoek (1632– 1723) in a letter he sent to the Royal Society on Christmas day, 1702. The letter included a red chalk drawing of Hydra o...
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ژورنال
عنوان ژورنال: Journal of Neurology, Neurosurgery & Psychiatry
سال: 1992
ISSN: 0022-3050
DOI: 10.1136/jnnp.55.4.251