amyelencephalyA rarely used term for the absence of the brain and spinal cord; such a malformation is improbable, except in an amorphous foetus.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
amyelencephaly(ā″mī″ĕl-ĕn-sef′ā′lē) [ a- + myel- + encephalon, brain]
Congenital absence of the brain and spinal cord.
Medical Dictionary, © 2009 Farlex and Partners