Definition

Similar in structure or origin, often used to describe biological or chemical compounds that share a common evolutionary background or structural features.

Example

The forelimbs of mammals are homologous, showing similar bone structures despite their different functions.

Conversation

Did you know that the flippers of seals and the hands of humans are considered homologous?

Really? I had no idea they were related in that way!

Yeah, it’s fascinating how different species can share similar structures.

Absolutely! It makes you appreciate evolution so much more.

Synonyms & Antonyms

Root Explanation

Homologous → It is formed from "homo-" (from Greek "homos", meaning same) and "logos" (from Greek "logos", meaning relation or reason). The word "homologous" refers to things that have the same relation or structure, often used in biology to describe similar traits in different species due to shared ancestry.

Memory Tip

Think of 'same' ('homo-') and 'relation' ('logos') to remember that 'homologous' describes things that are related by being the same in structure or origin.

Visually Confused Words