Jan Evangelista Purkyně
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Jan Evangelista Purkyně was a Czech anatomist and physiologist. In 1839, he coined the term "protoplasma" for the fluid substance of a cell. He was one of the best known scientists of his time. Such w
Purkyně in 1856
Purkinje effect: simulated appearance of a red geranium and foliage in normal bright-light (photopic) vision, dusk (mesopic) vision, and night (scotopic) vision
Personal sigil 1837
Fingerprint
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A fingerprint is an impression left by the friction ridges of a human finger. The recovery of partial fingerprints from a crime scene is an important method of forensic science. Moisture and grease on
Jan Evangelista Purkyně
…of today's average nutmeg binge. Purkyně discovered sweat glands in 1833 and published a thesis that recognised 9 principal configuration groups of fingerprints in 1823. Purkyně was also the first to describe and illustrate in 1838 the intracytoplasmic pigment neuromelanin in the substantia nigra. He is also…
A fingerprint
The friction ridges on a finger
A non-tented fingerprint arch
A fingerprint loop