homologous

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homologous

, homological, homologic
1. Chem (of a series of organic compounds) having similar characteristics and structure but differing by a number of CH2 groups
2. Med
a. (of two or more tissues) identical in structure
b. (of a vaccine) prepared from the infecting microorganism
3. Biology (of organs and parts) having the same evolutionary origin but different functions
4. Maths (of elements) playing a similar role in distinct figures or functions

homologous

[hə′mäl·ə·gəs]
(biology)
Pertaining to a structural relation between parts of different organisms due to evolutionary development from the same or a corresponding part, such as the wing of a bird and the pectoral fin of a fish.
(geology)
Referring to strata, in separated areas, that are correlatable (contemporaneous) and are of the same general character or facies, or occupy analogous structural positions along the strike.
Pertaining to faults, in separated areas, that have the same relative position or structure.