Skip to Content


Pronunciation: bī-vā′lent, biv′ă-lent


  1. Having a combining power (valence) of 2.
  2. In cytology, a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis.

Synonym(s): divalent

See Also: tetrad

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.