| trisomy 18 |
A severe, usually lethal developmental disorder in which a third copy of chromosome 18 is present in the cell nucleus. Children with trisomy 18 usually do not survive beyond the first year of life. The condition is characterized by cr
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| trisomy 11q s. |
a syndrome resulting from the presence of an extra long arm of chromosome 11; because different segments may be involved, the associated anomalies are highly variable and include preauricular fistulas, hypoplasia of the gallbladder, micropenis, bicornuate uterus, microphthalmos, malformations of the heart, lung, and brain, seizures, and recurrent infection.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| trisomy 13 s. |
a chromosome aberration in which an extra chromosome 13 causes central nervous system defects and mental retardation, together with cleft palate and lip, polydactyly, dermal pattern anomalies, and abnormalities of the heart, viscera, and genitalia. Called also Patau's s.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| trisomy 18 s. |
a condition characterized by mental retardation, scaphocephaly or other skull abnormality, micrognathia, blepharoptosis, low-set ears, corneal opacities, deafness, webbed neck, short digits, ventricular septal defects, Meckel's diverticulum, and other deformities. It is due to the presence of an extra chromosome 18. Called also Edwards' s. and trisomy E s.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| trisomy 21 s. |
Down s.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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