noun
: the intracytoplasmic course followed by the male pronucleus in approaching the female pronucleus during fertilization and often delineating the direction of the first cleavage furrow
noun
: the intracytoplasmic course followed by the male pronucleus in approaching the female pronucleus during fertilization and often delineating the direction of the first cleavage furrow
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012