derencephaly

der·en·ceph·a·ly

(der'en-sef'ă-lē),
Cervical rachischisis and meroanencephaly, a malformation involving an open cranial vault with a rudimentary brain usually crowded back toward bifid cervical vertebrae.
Synonym(s): derencephalia
[G. derē, neck, + enkephalos, brain]

der·en·ceph·a·ly

(der'en-sef'ă-lē)
Cervical rachischisis and meroencephaly; a malformation involving an open neurocranium with a rudimentary brain usually crowded back toward the bifid cervical vertebrae.
[G. derē, neck, + enkephalos, brain]
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