Examples from the Web for adenine
Adenine and guanine are constituents of all nucleic acids (see below) and, hence, are found in all plant and animal tissues.The Chemistry of Plant Life|Roscoe Wilfred Thatcher
British Dictionary definitions for adenine
Word Origin and History for adenine
crystaline base, 1885, coined by German physiologist/chemist Albrecht Kossel (1853-1927) from Greek aden "gland" (see inguinal) + chemical suffix -ine (2). So called because it was derived from the pancreas of an ox.