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Edwards syndrome
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Edwards syndromeTrisomy 18 syndrome. Children with the syndrome have an extra chromosome 18 with a characteristic pattern of multiple malformations and mental retardation. Features include low birth weight, small head (microcephaly), small jaw (micrognathia), malformations of the heart and kidneys, clenched fists with abnormal finger positioning, and malformed feet. The mental retardation is profound with an IQ too low to measure. Nineteen out of 20 of these children die before their first birthday.
RELATED TERMS--------------------------------------
Trisomy
The presence of an extra chromosome in addition to the usual pair. Down syndrome is an example of a condition caused by trisomy.
Syndrome
A grouping of signs and symptoms, based on their frequent co-occurrence, that may suggest a common underlying pathogenesis, course, familial pattern, or treatment selection.
Chromosome
A structural unit within a eukaryotic nucleus that carries genes. A chromosome consists of a long, continuous strand of DNA and associated proteins.
Retardation
Delay or halt of any process such as mental or physical development.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
Abnormal
Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth, abnormal may mean that it is cancerous or premalignant (likely to become cancer).
Feet
The plural of foot, both an anatomic structure and a unit of measure. As an anatomic structure, the foot is the end of the leg on which a person normally stands and walks. The foot is a particularly complex structure made up of dozens of bones that work together with muscles and tendons to execute precise movements. The bones of the foot include the 10 metatarsal bones and the 28 phalanges (toe bones).
SIMILAR TERMS--------------------------------------
Edward's syndrome
Congenital condition stemming from a chromosomal abnormality. Symptoms include severe mental retardation and often numerous defects, such as cleft lip and palate, club feet, and malformation of internal organs.
PREVIOUS AND NEXT TERMS--------------------------------------
EDC
Estimated date of confinement, the estimated calendar date when the baby will be born.
Edentulism
Without teeth. Complete loss of all natural teeth can substantially reduce quality of life, self-image, and daily functioning.
Edentulous
Being without teeth. Complete loss of all natural teeth can substantially reduce quality of life, self-image, and daily functioning.
EDMD
Muscular dystrophy, Emery-Dreifuss.
Excessive daytime sleepiness (EDS)
A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as narcolepsy. It is often associated with cataplexy (a sudden loss of muscle tone and paralysis of voluntary muscles associated with a strong emotion), sleep paralysis (immobility of the body that occurs in the transition from sleep to wakefulness), what are called hypnagogic hallucinations (pre-sleep dreams) and automatic behaviors (such as doing something "automatically" and not remembering afterwards how one did it).
Edwards syndrome
EEE
Eastern equine encephalitis.
EFEMP1
A gene that encodes a protein with the long, complex name of EGF-containing fibulin-like extracellular matrix protein 1. EFEMP1 is now also known as FBLN3.
Effect, founder
A population group with an unusual frequency of a gene due to there having been only a small number of original members ("founders") one or more of whom had that gene.
Effective dose
The dose of a drug that will achieve the desired effect.
Effects, fetal rubella
The constellation of abnormalities, also called the rubella syndrome, caused by infection with the rubella (German measles) A virus before birth. The syndrome is characterized by multiple congenital malformations (birth defects) and mental retardation.
RELATED TERMS--------------------------------------
Trisomy
The presence of an extra chromosome in addition to the usual pair. Down syndrome is an example of a condition caused by trisomy.
Syndrome
A grouping of signs and symptoms, based on their frequent co-occurrence, that may suggest a common underlying pathogenesis, course, familial pattern, or treatment selection.
Chromosome
A structural unit within a eukaryotic nucleus that carries genes. A chromosome consists of a long, continuous strand of DNA and associated proteins.
Retardation
Delay or halt of any process such as mental or physical development.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
Abnormal
Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth, abnormal may mean that it is cancerous or premalignant (likely to become cancer).
Feet
The plural of foot, both an anatomic structure and a unit of measure. As an anatomic structure, the foot is the end of the leg on which a person normally stands and walks. The foot is a particularly complex structure made up of dozens of bones that work together with muscles and tendons to execute precise movements. The bones of the foot include the 10 metatarsal bones and the 28 phalanges (toe bones).
SIMILAR TERMS--------------------------------------
Edward's syndrome
Congenital condition stemming from a chromosomal abnormality. Symptoms include severe mental retardation and often numerous defects, such as cleft lip and palate, club feet, and malformation of internal organs.
PREVIOUS AND NEXT TERMS--------------------------------------
EDC
Estimated date of confinement, the estimated calendar date when the baby will be born.
Edentulism
Without teeth. Complete loss of all natural teeth can substantially reduce quality of life, self-image, and daily functioning.
Edentulous
Being without teeth. Complete loss of all natural teeth can substantially reduce quality of life, self-image, and daily functioning.
EDMD
Muscular dystrophy, Emery-Dreifuss.
Excessive daytime sleepiness (EDS)
A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as narcolepsy. It is often associated with cataplexy (a sudden loss of muscle tone and paralysis of voluntary muscles associated with a strong emotion), sleep paralysis (immobility of the body that occurs in the transition from sleep to wakefulness), what are called hypnagogic hallucinations (pre-sleep dreams) and automatic behaviors (such as doing something "automatically" and not remembering afterwards how one did it).
Edwards syndrome
EEE
Eastern equine encephalitis.
EFEMP1
A gene that encodes a protein with the long, complex name of EGF-containing fibulin-like extracellular matrix protein 1. EFEMP1 is now also known as FBLN3.
Effect, founder
A population group with an unusual frequency of a gene due to there having been only a small number of original members ("founders") one or more of whom had that gene.
Effective dose
The dose of a drug that will achieve the desired effect.
Effects, fetal rubella
The constellation of abnormalities, also called the rubella syndrome, caused by infection with the rubella (German measles) A virus before birth. The syndrome is characterized by multiple congenital malformations (birth defects) and mental retardation.
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This dictionary contains 19186 terms.
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