Tracheal System Of The Silkworm

by Wellcome Images

Title

Tracheal System Of The Silkworm

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Wellcome Images

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Photograph - Photograph

Description

The tracheal system of the silkworm, Marcello Malpighi, 1686. The silkworm is the larva or caterpillar of the domesticated silkmoth, Bombyx mori. It is an economically important insect, being a primary producer of silk. Marcello Malpighi (1628-94) was an Italian biologist and inventor of the microscope. Following the theories of Galileo, Malpighi was the first to build a microscope, slightly ahead of Leeuwenhoek. He was a physician by training, graduating at Bologna in 1653. Malpighi's observations through his microscope were to revolutionize anatomy. He showed a mechanism for the transfer of air into the blood in the lungs, and observed capillary vessels for the first time. This completed the theory of blood circulation advanced by Harvey. After a life of research and lecturing, he spent his last three years as private physician to Pope Innocent XII.

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April 18th, 2016

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