Adjective
synaptonemal (not comparable)
(biochemistry) Describing a protein complex that forms during meiosis
Diplotene During the diplotene stage, also known as diplonema, from Greek words meaning "two threads", : 30 the synaptonemal complex degrades and homologous chromosomes separate from one another a little. Source: Internet
Because the chromosomes cannot be distinguished in the synaptonemal complex, the actual act of crossing over is not perceivable through the microscope, and chiasmata are not visible until the next stage. Source: Internet