ho·mol·o·gous
adjective/həˈmɒləɡəs/
/həʊˈmɑːləɡəs/
(specialist)- homologous (with something) similar in position, structure, etc. to something else
（位置、结构等）相应的，类似的；同源的 - The seal's flipper is homologous with the human arm.
海豹的鳍肢与人类的手臂同源。
Word Originmid 17th cent.: via medieval Latin from Greek homologos ‘agreeing, consistent’, from homos ‘same’ + logos ‘ratio, proportion’. - The seal's flipper is homologous with the human arm.