PSYB64H3 Chapter Notes - Chapter 5: Neurofibrillary Tangle, Neurogenesis, Fetal Alcohol Spectrum Disorder
Document Summary
Anencephaly: a neural tube defect in which the rostral neural tube does not develop normally, resulting in incomplete formation of the brain and skull. Spina bifida: a neural tube defect in which the caudal part of the tube does not close properly. Down syndrome: an abnormal genetic condition resulting from a genotype with three copies of chromosome 21, responsible for moderate mental retardation and a characteristic physical appearance. Fragile-x syndrome: a heritable genetic disorder that produces cognitive and physical abnormalities. Phenylketonuria (pku): a heritable condition in which the individual does not produce enzymes necessary for the breakdown of phenylalanine; left untreated, the condition produces mental retardation. Fetal alcohol syndrome: a set of physical and cognitive characteristics that result from maternal use of alcohol during pregnancy. Anterograde degeneration: the deterioration of the axon segment separated from the cell body by damage to the axon.
