Ctenidae male meiotic cells, FISH with rDNA 18S probe. Arrowhead - sex chromosomes. A diakinesis of Ctenus ornatus: in the box the bivalent with size heteromorphism of 18S rDNA sites B diakinesis of Ctenus medius C diakinesis of Phoneutria nigriventer: arrow - bivalent with 18S rDNA sites in only one of the chromosomes D diplotene of Viracucha andicola E diplotene of Enoploctenus cyclothorax. Bar = 10 µm.

 
 
  Part of: Rincão MP, Chavari JL, Brescovit AD, Dias AL (2017) Cytogenetic analysis of five Ctenidae species (Araneae): detection of heterochromatin and 18S rDNA sites. Comparative Cytogenetics 11(4): 627-639. https://doi.org/10.3897/CompCytogen.v11i4.10620