exencephalia

ex·en·ceph·a·ly

(eks'en-sef'ă-lē), Condition in which the cranium is defective with the brain exposed or extruding. Synonym(s): exencephalia [G. ex, out, + enkephalos, brain]

exencephalia

(ĕks″ĕn-sĕf-ā′lē-ă) [″ + enkephalos, brain] A congenital anomaly in which the brain is located outside the skull; a term for encephalocele, hydrencephalocele, and meningocele.