UMLS. CSP-HL7-ICD9CM-NCI-NDFRT-RXNORM
%
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A A A+ A- A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ
AN AN- ANA ANC AND ANE ANG ANH ANI ANK ANN ANO ANP ANS ANT ANU ANV ANX ANY

anencephalus

[congenital malformation of the nervous system caused by failure of the anterior neuropore to close; infants are born with intact spinal cords, cerebellums, and brainstems, but lack formation of neural structures above this level; the skull is only partially formed but the eyes are usually normal; affected infants are only capable of primitive reflexes and usually do not survive for more than two weeks; complete absence of the brain is rare. ( CSP )]
UMLS (CSP) C0002902
 
Congenital Abnormality


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