meroblastic

Undergoing partial cleavage. Used of a fertilized egg.

In embryology, partially germinal: applied by Remak to those eggs in which there is much food-yolk which does not undergo segmentation or take part in germination: opposed to holoblastic. Birds, reptiles, most fishes, and most invertebrates have meroblastic eggs.

Consisting only in part of germinal matter; characterized by partial segmentation only.

That undergoes only partial cleavage.