ho·mo·logue or ho·mo·log 'hō-mə-.lȯg, 'häm-ə-, -.läg n something (as a chemical compound or a chromosome) that is homologous
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ho·mo·logue (hoґmo-log) 1. any homologous organ or part; an organ similar in structure, position, and origin to another organ, as the front flippers of a seal and human hands. See analogue. 2. in chemistry, one of a series of compounds, each of which is formed from the one before it by the addition of a constant element or a constant group of elements, as in the homologous series CH4, C2H6, C3H8, etc.; called also homologen.
Homologues.
Medical dictionary. 2011.