Overscattering

It is indeed a difficult mean to hit between overcrowding and overscattering.

Source: wiktionary

[…] a pointless anxiety about "overscattering" takes hold, propelling the story to its somewhat ironic finale in which they are desperately scattered upon the face of the earth.

Source: wiktionary

Pre-fixation of embryos in the first fixative solution could decrease the dissociation or overscattering of blastomeres.

Source: wiktionary

This technique was modified to avoid artifactual loss of chromosomes by overscattering, and the ooplasmic matrix was retained […]

Source: wiktionary