mac·ro·mere noun \ˈmak-rō-ˌmi(ə)r\
: 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
Seen & Heard
What made you want to look up macromere? Please tell us where you read or heard it (including the quote, if possible).