Skip to Content


Pronunciation: blas′tō-mēr

Definition: One of the cells into which the oocyte divides after its fertilization.

Synonym(s): cleavage cell, embryonic cell

[blasto- + G. meros, part]

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.