microdysgenesia

mi·cro·dys·ge·ne·si·a

(mī'krō-dis'ge-nē'sē-ă),
Increase in partially distopic neurons in the stratum zonale, white matter, hippocampus, and cerebellar cortex, producing an indistinct border between cortex and subcortical white matter and a columnar arrangement of cortical neurons; seen in patients with primary generalized epilepsy.
[micro- + dys- + G. genesis, production]