Medical Dictionary

macromere

noun mac·ro·mere \ˈmak-rō-ˌmi(ə)r\

Definition of MACROMERE

:  any of the large blastomeres that occur in the hemisphere of a telolecithal egg containing the vegetal pole and that are formed by unequal segmentation—compare micromere

Illustration of MACROMERE

April 01, 2015
diapause Hear it
a period of physiological dormancy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears