Down syndrome refers to the type of mental retardation caused by a chromosomal aberration (chromosome 21) and involving characteristic physical appearance.
Down Syndrome is also known as Trisomy 21.
Other /More definition:
Down syndrome refers to a chromosomal abnormality in which there are three (3) 21st chromosomes rather than the normal two (2) . Children with Down syndrome typically function at the moderate level of mental retardation, have an increased likelihood of medical problems, and have unusual physical features. This syndrome is also called Trisomy 21.
Related Articles | |
Clinico-anatomical hypothesis at psychology-glossary.com | ■■■■ |
Clinico-anatomical hypothesis is the view that regards dreams as just thinking that takes place under . . . Read More | |
Phalloplasty at psychology-glossary.com | ■■■ |
Phalloplasty is defined as a transgender operation in which a penis is artificially constructed; - - . . . Read More | |
Organic mental disorder at psychology-glossary.com | ■■■ |
Organic mental disorder or OMD refers to a mental or emotional problem caused by brain diseases or injuries. . . . Read More | |
Parenting at psychology-glossary.com | ■■■ |
Parenting is defined as the implementation of a series of decisions about the socialization of children; . . . Read More | |
Sleep at psychology-glossary.com | ■■■ |
Sleep is a physical and mental resting state in which a person becomes relatively inactive and unaware . . . Read More | |
Bronchitis at psychology-glossary.com | ■■■ |
Bronchitis refers to any inflammation of the bronchi; - - Bronchitis is a medical condition that affects . . . Read More | |
Molecular cytogenic disorders at psychology-glossary.com | ■■ |
Molecular cytogenic disorders refers to disorders or diseases related to chromosome abnormalities (extra, . . . Read More | |
Anomaly at psychology-glossary.com | ■■ |
Anomaly means irregularity; abnormality, something that is inconsistent with the normal condition . . . Read More | |
Fragile X at psychology-glossary.com | ■■ |
Fragile X refers to an inherited disorder caused by a defective gene on the X-chromosome which causes . . . Read More | |
Diabetes at psychology-glossary.com | ■■ |
Diabetes refers to a chronic disorder in which the body is not able to manufacture or utilize insulin . . . Read More |