iniencephaly

https://doi.org/10.1351/goldbook.10854

Malformation producing a cranial defect at the occiput, with the brain exposed, often combined with a cervical rachischisis and retroflexion.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 769 [Terms] [Paper]