homologous
adjective uk/həˈmɒl.ə.ɡəs/ us/hoʊˈmɑː.lə.ɡəs/
biology formal（位置、结构、价值或目的等）相似的，相应的
having a similar position, structure, value, or purpose
specialized同源的（生物学术语，指经过了数百万年的进化演变，尽管形态、用途已不尽相同，但拥有相同的起源）
in biology, having the same origin although now having a different purpose or shape as a result of evolution (= gradual change over millions of years)
The wing of a bat and the arm of a man are homologous structures. 蝙蝠的翅膀和人类的手臂是相应的同源结构。