Defect, neural tube
A birth defect caused by abnormal development of the neural tube. (The neural tube is the structure present during embryonic life which gives rise to the central nervous system — to the brain and the spinal cord.) The best-known neural tube defects are anencephaly (absence of the cranial vault and absence of most or all of the cerebral hemispheres of the brain) and spina bifida (an opening in the vertebral column protecting the spinal cord), sometimes with a meningomyelocele (protrusion of the meningeal membranes that cover the spinal cord). The risk of neural tube defects can be lowered if the mother’s diet before and during pregnancy contains adequate folic acid.

Medical dictionary. 2011.

Look at other dictionaries:

  • Neural tube defect — Classification and external resources ICD 10 Q00, Q01, Q05 …   Wikipedia

  • neural tube defect — n any of various congenital defects (as anencephaly and spina bifida) caused by incomplete closure of the neural tube during the early stages of embryonic development * * * a developmental anomaly consisting of failure of closure of the neural… …   Medical dictionary

  • neural tube defect — Pathol. any of a group of congenital abnormalities involving the brain and spinal cord, including spina bifida and meningocele, caused by failure of the neural tube to close properly during embryonic development. [1885 90] * * * Congenital defect …   Universalium

  • Neural tube defect (NTD) — A birth defect caused by abnormal development of the neural tube. (The neural tube is the structure present during embryonic life which gives rise to the central nervous system to the brain and the spinal cord.) The best known neural tube defects …   Medical dictionary

  • neural tube defects — a group of congenital abnormalities caused by failure of the neural tube to form normally. In spina bifida the bony arches of the spine, which protect the spinal cord and its coverings (the meninges), fail to close. More severe defects of fusion… …   Medical dictionary

  • neural tube defects — a group of congenital abnormalities caused by failure of the neural tube to form normally. In spina bifida the bony arches of the spine, which protect the spinal cord and its coverings (the meninges), fail to close. More severe defects of fusion… …   The new mediacal dictionary

  • neural tube defect — Pathol. any of a group of congenital abnormalities involving the brain and spinal cord, including spina bifida and meningocele, caused by failure of the neural tube to close properly during embryonic development. [1885 90] …   Useful english dictionary

  • defect — defectible, adj. defectibility, n. defectless, adj. n. /dee fekt, di fekt /; v. /di fekt /, n. 1. a shortcoming, fault, or imperfection: a defect in an argument; a defect in a machine. 2. lack or want, esp. of something essential to perfection or …   Universalium

  • tube — tubeless, adj. tubelike, adj. /toohb, tyoohb/, n., v., tubed, tubing. n. 1. a hollow, usually cylindrical body of metal, glass, rubber, or other material, used esp. for conveying or containing liquids or gases. 2. a small, collapsible, cylinder… …   Universalium

  • neuraltube defect — neural tube defect n. Any of various congenital defects of the brain and spinal cord, such as spina bifida, resulting from incomplete closing of the neural tube in an embryo. * * * …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”