hydranencephaly

https://doi.org/10.1351/goldbook.10813

Rare condition in which the brain’s cerebral hemispheres are replaced by sacs filled with cerebrospinal fluid.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 765 [Terms] [Paper]