Homologous

In biology, corresponding in structure, either directly or as referred to a fundamental type. In chemistry, being of the same chemic type or series! differing by a multiple or an arithmetic ratio in certain constituents, while the physical qualities are analogous, with small differences, as if corresponding to a series of parallels. H. Ti ues, those identical in type of structure. H. Tumor, a name given by Virchow to a tumor consisting of ti ue identical with that of the organ whence it springs.