title: Origin of the synaptonemal complex.
mesh_terms: D000818:Animals; D001001:Anura; D002467:Cell Nucleus; D002843:Chromatin; D002875:Chromosomes; D008297:Male; D008540:Meiosis; D008566:Membranes; D051379:Mice; D008854:Microscopy, Electron; D013737:Testis / Q000166:cytology
chemical_list: D002843:Chromatin