| trisomy 18 |
three copies of chromosome 18, for a total of 47 chromosomes instead of the typical number, 46 chromosomes. More on trisomy 18...
출처: www.medgen.ubc.ca/wrobinson/mosaic/glossary.htm
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| 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
출처:
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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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