noun
: embryonic cleavage in which the division into blastomeres involves only a part of the egg with the rest remaining undivided for a longer or shorter time
noun
: embryonic cleavage in which the division into blastomeres involves only a part of the egg with the rest remaining undivided for a longer or shorter time
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012