synaptonemal complex
/sɪˌnæptəˈniːməl/noun
- Biology a ladder-like series of parallel threads visible in electron microscopy adjacent to and coaxial with pairing chromosomes in meiosis【生】（细胞）接合丝复合物, 联会丝复合体。
词源
1950s: from synapto- （combining form of SYNAPSIS） + Greek nēma 'thread' + -AL.