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Down Syndrome : Symptoms

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Symptoms could include:
Down syndrome symptoms vary from person to person and can range from mild to severe. However, children with Down syndrome have a widely recognized appearance.The head may be smaller than normal and abnormally shaped.
Source:ADAM
Date:May 12, 2009
The disease is caused by trisomy 21, meaning their bodies' cells have an extra chromosome 21.(© Lester V. Bergman/Corbis.).
Source:Gale Encyclopedia of Children's Health
While Down syndrome is a chromosomal disorder, a baby is usually identified at birth through observation of a set of common physical characteristics. Not all affected babies will exhibit all of the symptoms discussed.
Source:Gale Encyclopedia of Genetic Disorders Part I
While Down syndrome is a chromosomal disorder, a baby is usually identified at birth through observation of a set of common physical characteristics. It is important to remember that not all children with Down syndrome will exhibit all of the fea...
Source:Gale Encyclopedia of Nursing and Allied Health
While Down syndrome is a chromosomal disorder, a baby is usually identified at birth through observation of a set of common physical characteristics. Not all affected babies will exhibit all of the symptoms discussed.
Source:Gale Encyclopedia of Genetic Disorders Part II
While Down syndrome is a chromosomal disorder, a baby is usually identified at birth through observation of a set of common physical characteristics. Babies with Down syndrome tend to be overly quiet, less responsive, with weak, floppy muscles.
Source:Gale Encyclopedia of Medicine
Mental retardation is a condition diagnosed before age 18 that includes below-average general intellectual function, and a lack of the skills necessary for daily living.Mental retardation affects about 1- 3% of the population. There are many cause...
Source:ADAM
Date:November 12, 2007
Mental retardation is a developmental disability that first appears in children under the age of 18. It is defined as an intellectual functioning level(as measured by standard tests for intelligence quotient) that is well below average and signifi...
Source:Gale Encyclopedia of Children's Health
Mental retardation is a developmental disability that first appears in children under the age of 18. It is defined as an intellectual functioning level(as measured by standard tests for intelligence quotient) that is well below average and signifi...
Source:Gale Encyclopedia of Medicine
Mental retardation(MR) is a developmental disability that first appears in children under the age of 18. It is defined as a level of intellectual functioning(as measured by standard intelligence tests) that is well below average and results in sig...
Source:Gale Encyclopedia of Mental Disorders
According to the definition in the American Psychiatric Association''s Diagnostic and Statistical Manual(DSM-IV), a mentally retarded person is significantly limited in at least two of the following areas: self-care, communication, home living, soc...
Source:Gale Encyclopedia of Childhood and Adolescence
(Also called sociocultural or cultural-familial retardation).Mild mental retardation attributed to environmental causes and generally involving some degree of psychosocial disadvantage.The majority of persons suffering from mental retardation fall...
Source:Gale Encyclopedia of Childhood and Adolescence
Mental retardation(MR) is a developmental disability that first appears in children under the age of 18. It is defined as a level of intellectual functioning(as measured by standard intelligence tests) that is well below average and results in sig...
Source:Gale Encyclopedia of Neurological Disorders
A developmental delay is any significant lag in a child''s physical, cognitive, behavioral, emotional, or social development, in comparison with norms.Developmental delay refers to when a child''s development lags behind established normal ranges fo...
Source:Gale Encyclopedia of Children's Health
Any delay in a child''s physical, cognitive, behavioral, emotional, or social development, due to any number of reasons.Developmental delay refers to any significant retardation in a child''s physical, cognitive, behavioral, emotional, or social dev...
Source:Gale Encyclopedia of Childhood and Adolescence
A simian crease is a single line that runs across the palm of the hand. People normally have three creases in their palms.The term"simian crease" is not used much anymore since it tends to have a negative meaning(it refers to monkey or ape).
Source:ADAM
Date:May 12, 2009
Hypotonia is often a sign of a worrisome problem. It may be a sign of a central nervous system problem, genetic disorder, or muscle disorder.Infants with hypotonia seem floppy and feel like a"rag doll" does when held.
Source:ADAM
Date:November 9, 2007
Hypotonia means"low tone," and refers to a physiological state in which a muscle has decreased tone, or tension. A muscle''s tone is a measure of its ability to resist passive elongation or stretching.Hypotonia is more a description than a diagnosis.
Source:Gale Encyclopedia of Neurological Disorders
Hypotonia, or severely decreased muscle tone, is seen primarily in children. Low-toned muscles contract very slowly in response to a stimulus and cannot maintain a contraction for as long as a normal muscle.
Source:Gale Encyclopedia of Children's Health
Delayed growth is poor or abnormally slow height or weight gains in a child younger than age 5.Growth- slow(child 0- 5 years); Weight gain- slow(child 0- 5 years); Slow rate of growth; Retarded growth and development.A child should have regular, w...
Source:ADAM
Date:February 27, 2009
When children believe they are different in some way, they feel bad. Whether because of their height or some other characteristic, they are going to be aware of differences.
Source:StayWell
Separated sutures are abnormally wide spaces in the bony joints of the skull in an infant.
Source:ADAM
Date:March 14, 2009
Microcephaly describes a head size significantly below normal for a person''s age and sex, based on standardized charts. Head size is measured as the distance around the top of the head.Microcephaly most often occurs because of failure of the brain...
Source:ADAM
Date:November 9, 2007
Detailed information on microcephaly, including causes, symptoms, and diagnosis
Source:StayWell
Microcephaly is a neurological disorder where the distance around the largest portion of the head(the circumference) is less than should normally be the case in an infant or a child. The condition can be evident at birth, or can develop within the...
Source:Gale Encyclopedia of Neurological Disorders
The condition often signals an abnormally small brain and the presence of other disorders such as cerebral palsy.Microcephaly can be caused by genetic and chromosomal abnormalities, or by environmental factors such as prenatal radiation exposure, ...
Source:Gale Encyclopedia of Childhood and Adolescence
Detailed information on craniofacial anomalies, including cleft lip, cleft palate, craniosynostosis, hemifacial microsomia, vascular malformation, hemangioma, and deformational plagiocephaly
Source:StayWell
Detailed information on craniofacial anomalies, including Cleft Lip, Cleft Palate, Craniosynostosis, Deformational Plagiocephaly, Hemifacial Microsomia, Vascular Malformations, and Hemangiomas
Source:StayWell
Glossary of terms relating to craniofacial anomalies in children [back to top] anomaly - a health problem or feature not normally present in a healthy individual; a deviation from the normal.
Source:StayWell
List of online resources to find additional information on cardiovascular disorders in children
Source:StayWell
Detailed information on craniofacial anomalies, including Cleft Lip, Cleft Palate, Craniosynostosis, Deformational Plagiocephaly, Hemifacial Microsomia, Vascular Malformations, and Hemangiomas
Source:StayWell
Detailed information on craniofacial anomalies and the craniofacial anomaly treatment team
Source:StayWell
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