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47,XX,+21; 47,XY,+21; Trisomy 21 

 

A disorder caused by the presence of an extra chromosome 21 and characterized by mental retardation and distinguishing physical features.

Anencephaly is a defect in the closure of the neural tube during fetal development. The neural tube is a narrow channel that folds and closes between the 3rd and 4th weeks of pregnancy to form the brain and spinal cord of the embryo. Anencephaly occurs when the "cephalic" or head end of the neural tube fails to close, resulting in the absence of a major portion of the brain, skull, and scalp. Infants with this disorder are born without a forebrain (the front part of the brain) and a cerebrum (th...


Down Syndrome as related to Anencephaly


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  • Down Syndrome | Birth Defects | NCBDDD | CDC
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  • Down Syndrome | Birth Defects | NCBDDD - cdc.gov
    New growth charts (2015) for children with Down syndrome in the United States are available for download below. These charts can help healthcare providers monitor ...

  • Anencephaly Causes, Symptoms, and Life Expectancy
    Read about anencephaly, a neural tube defect that causes abnormal development of the brain and bones of the skull that affect several areas of the brain function such ...

  • All Disorders | National Institute of Neurological ...
    Disorders. All Disorders. NINDS Binswanger's Disease Information Page; NINDS Brachial Plexus Injuries Information Page; NINDS Brown-Sequard Syndrome Information Page

  • Prenatal diagnosis - Wikipedia
    Prenatal diagnosis and prenatal screening are aspects of prenatal care that focus on detecting anatomic and physiologic problems with the zygote, embryo, or fetus as ...

  • Google Health – Google
    Google Health has been discontinued Google Health has been permanently discontinued. All data remaining in Google Health user accounts as of January 2, …

  • Glossary | womenshealth.gov
    A acupuncture a form of complementary and alternative medicine that involves inserting thin needles through the skin at specific points on the body to control pain ...

  • Spina Bifida and Anencephaly: Symptoms and Treatment
    Anencephaly (Neural Tube Defect) What are the causes and symptoms of anencephaly? If the neural tube fails to close properly, the developing brain and …