Medical Definition of NTD

1. Abnormal development during embryonic life of the neural tube producing congenital malformations of the nervous system due to closure failure of the neural tube. The structure gives rise to the central nervous system (the brain and spinal cord), and failure to close results in anencephaly (absence of the cranial vault and absence of most or all of the cerebral hemispheres of the brain) and spina bifida or meningomyelocele (open spina with exposure and protusion of the spinal cord). The risk of neuroal tube defects can be decreased by the mother taking folic acid during pregnancy. (04 Jul 1999)

Lexicographical Neighbors of NTD

NS5A-associated kinase
NSA
NSAID
NSAID
NSAIDS
NSC
NSF
NSF
NSILA
nsP2 proteinase
NSP4 serine protease
NSU
NSW
NSWC
NT
NTD (current term)
nth
NTIS
NTMI
NTNG
NTP
NTS
nu
nu
NU-3 protein tyrosine phosphatase
nuance
nuanced
nuances
nuancing
nub

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