synapsis

synonym: syndesis
https://doi.org/10.1351/goldbook.11271

Point-wise pairing of homologous chromosomes during the prophase of meiosis.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 810 [Terms] [Paper]