Monday, February 13, 2012
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Chediak Higashi Syndrome Learning Center

Albinism -- silvery sheen to the hair, light-colored eyes; Increased infections in the lungs, skin, and mucous membranes;
Source:ADAM
Date:August 26, 2009
People with Chediak-Higashi syndrome will often have many different clinical problems such as recurrent bacterial infections without clear causes, fevers that cannot be explained, severe gingivitis (gum disease), peripheral and cranial neuropathie...
Source:Gale Encyclopedia of Genetic Disorders Part II
People with Chediak-Higashi syndrome will often have many different clinical problems such as recurrent bacterial infections without clear causes, fevers that cannot be explained, severe gingivitis (gum disease), peripheral and cranial neuropathie...
Source:Gale Encyclopedia of Genetic Disorders Part I
Uncoordinated movement is muscle control problem or an inability to finely coordinate movements, which results in a jerky, unsteady, to-and-fro motion of the middle of the body (trunk) and unsteady gait (walking style. The condition is called ataxia.
Source:ADAM
Date:March 26, 2009
Ataxia, a medical term originated from the Greek language meaning "without order," refers to disturbances in the control of body posture, motor coordination, speech control, and eye movements. Several brain areas, including the cerebellum and the ...
Source:Gale Encyclopedia of Neurological Disorders
Developmental coordination disorder is diagnosed when children do not develop normal motor coordination (coordination of movements involving the voluntary muscles).
Source:Gale Encyclopedia of Mental Disorders
Lack of coordination in the muscles. Ataxia, an extreme lack of coordination of the muscles, is a symptom of damage to the central nervous system. People with ataxia typically stand with feet planted far apart, and sway while standing, struggling ...
Source:Gale Encyclopedia of Childhood and Adolescence
A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain. See also: Generalized tonic clonic seizure; Partial (focal) seizure; Petit mal (absence) seizure; Epilepsy; Fever (...
Source:ADAM
Date:March 29, 2009
A seizure is a sudden change in behavior characterized by changes in sensory perception (sense of feeling) or motor activity (movement) due to an abnormal firing of nerve cells in the brain. Epilepsy is a condition characterized by recurrent seizu...
Source:Gale Encyclopedia of Neurological Disorders
A seizure is a sudden change in behavior characterized by changes in sensory perception (sense of feeling) or motor activity (movement) due to an abnormal firing of nerve cells in the brain . Epilepsy is a condition characterized by recurrent seiz...
Source:Gale Encyclopedia of Mental Disorders
A temporary series of uncontrollable muscle spasms brought on by unusual electrical activity in the brain. Also known as convulsion, clonic seizure, or tonic-clonic seizure. A seizure is characterized by a sudden episode of un- controllable brain ...
Source:Gale Encyclopedia of Childhood and Adolescence
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.
Source:ADAM
Date:November 2, 2009
(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 fal...
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 ...
Source:Gale Encyclopedia of Mental Disorders
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 signif...
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 signif...
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 s...
Source:Gale Encyclopedia of Neurological Disorders
Below-average intellectual abilities that are present before the age of 18 and interfere with developmental processes and with the ability to function normally in daily life (adaptive behavior). The term mental retardation is commonly used to refe...
Source:Gale Encyclopedia of Childhood and Adolescence
Tremor is an unintentional (involuntary) rhythmical alternating movement that may affect the muscles of any part of the body. Tremor is caused by the rapid alternating contraction and relaxation of muscles and is a common symptom of diseases of th...
Source:Gale Encyclopedia of Neurological Disorders
Tremor is an unintentional (involuntary), rhythmical alternating movement that may affect the muscles of any part of the body. Tremor is caused by the rapid alternating contraction and relaxation of muscles and is a common symptom of diseases of t...
Source:Gale Encyclopedia of Medicine
Tremor is an unintentional (involuntary), rhythmical alternating movement that may affect the muscles of any part of the body. Tremor is caused by the rapid alternating contraction and relaxation of muscles and is a common symptom of diseases of t...
Source:Gale Encyclopedia of Alternative Medicine
True muscle weakness means that full effort does not produce a normal muscle contraction or movement. A voluntary muscle contraction is generated when the brain sends a signal through the spinal cord and nerves to a muscle.
Source:Healthline
Date:September 30, 2007
Weakness is a reduction in the strength of one or more muscles.
Source:ADAM
Date:August 8, 2009
Numbness and tingling are abnormal sensations that can occur anywhere in your body, but are often felt in your fingers, hands, feet, arms, or legs.
Source:ADAM
Date:April 21, 2009
Numbness and tingling are decreased or abnormal sensations caused by altered sensory nerve function.
Source:Gale Encyclopedia of Medicine
Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that can't be corrected with standard glasses or contact lenses and reduces a person's ability...
Source:Gale Encyclopedia of Medicine
Photophobia is eye discomfort in bright light.
Source:ADAM
Date:April 13, 2009
Nystagmus refers to rapid involuntary movements of the eyes that may be: Side to side (horizontal nystagmus; Up and down (vertical nystagmus; Rotary. Depending on the cause, these movements may be in both eyes or in just one eye. The term "dancing...
Source:ADAM
Date:March 26, 2009
Rhythmic, oscillating motions of the eyes are called nystagmus. The to-and-fro motion is generally involuntary. Vertical nystagmus occurs much less frequently than horizontal nystagmus and is often, but not necessarily, a sign of serious brain dam...
Source:Gale Encyclopedia of Medicine
Nystagmus is a condition in which there is involuntary and rhythmic movement or oscillation of the eye. It is often caused by an underlying ocular or neurological disorder.
Source:Gale Encyclopedia of Children's Health
Albinism is a defect of melanin production that results in little or no color (pigment) in the skin, hair, and eyes.
Source:ADAM
Date:October 14, 2009
Albinism is an inherited condition that causes a lack of pigment in the hair, skin or eyes.
Source:Gale Encyclopedia of Genetic Disorders Part II
Albinism is an inherited condition that causes a lack of pigment in the hair, skin, or eyes.
Source:Gale Encyclopedia of Genetic Disorders Part I
Albinism is an inherited condition that is present at birth. It is characterized by a lack of melanin, the pigment that normally gives color to the skin, hair, and eyes. Many types of albinism exist, all of which involve lack of pigment in varying...
Source:Gale Encyclopedia of Children's Health
Albinism is an inherited condition present at birth, characterized by a lack of pigment that normally gives color to the skin, hair, and eyes. Many types of albinism exist, all of which involve lack of pigment in varying degrees. The condition, wh...
Source:Gale Encyclopedia of Medicine
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