hyperencephaly

hy·per·en·ceph·a·ly

(hī'pĕr-en-sef'ă-lē),
A fetal developmental deficiency of the vault of the cranium, exposing the poorly formed brain.
[hyper- + G. enkephalos, brain]

hy·per·en·ceph·a·ly

(hī'pĕr-en-sef'ă-lē)
A fetal developmental deficiency of the neurocranium, exposing the poorly formed brain.
[hyper- + G. enkephalos, brain]