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bionity.com's Life Science Encyclopedia provides articles for 57,945 entries from biotechnology, pharmaceutics, medicine and biology as well as related scientific disciplines.

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Tooth enamel

Tooth enamel Tooth enamel is the hardest and most highly mineralized substance of the body,Ross et al., p. 441 and with dentin , cementum , and dental pulp is one of the four major tissues which make up the tooth . It is the normally visible dental tissue of a tooth and must be supported by under more

Barbara McClintock

Barbara McClintock Barbara McClintock (June 16 , 1902 – September 2 , 1992 ) was a pioneering American scientist and one of the world's most distinguished cytogeneticists . McClintock received her Ph.D. in botany from Cornell University in 1927, where she was a leader in the development more

Anabolic steroid

Anabolic steroid , transporting 5α-dihydrotestosterone . Anabolic steroids, also known as anabolic-androgenic steroids or AAS, are a class of steroid hormone s related to the hormone testosterone . They increase protein synthesis within cells, which results in the buildup of cellular tissue (an more

Rudolf Vrba

Rudolf Vrba Rudolf 'Rudi' Vrba, born Walter Rosenberg (September 11 , 1924 – March 27 , 2006 ), was a professor of pharmacology at the University of British Columbia . He came to public attention in 1944 when, in April that year, he and a friend, Alfréd Wetzler , became the second and third more

Alfred Russel Wallace

Alfred Russel Wallace Alfred Russel Wallace OM , FRS (8 January 1823 – 7 November 1913 ) was a British naturalist , explorer , geographer , anthropologist and biologist . He did extensive fieldwork first in the Amazon River basin, and then in the Malay Archipelago , where he identifie more

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