نتایج جستجو برای: monozygotic twins
تعداد نتایج: 14593 فیلتر نتایج به سال:
CONTEXT Twin studies using selected samples have shown high heritability for Alzheimer disease (AD). OBJECTIVE To evaluate genetic and environmental influences on AD in a fully ascertained population of older twins, including like- and unlike-sex pairs. DESIGN Five-group quantitative genetic model: male monozygotic twins, female monozygotic twins, male dizygotic twins, female dizygotic twin...
one of the complications of twinning of mono chorionic mono amniotic gestations is conjointed twins. structural congenital malformations occur in 5 % to 7 % of twin gestations versus only 3 % of singleton births. most defects occurring in only one of the twin fetuses. occasional anomalies such as omphalocele sincenomalia heart defect one reported in both concordance. the structural defect commo...
BACKGROUND Vein of Galen aneurysmal malformation (VGAM) is a rare pediatric vascular malformation of the brain. Genetic backgrounds are not well elucidated. We report on a monozygotic twin with VGAM and his endovascular treatment, and the genetic analyses of the twins and their parents. CASE DESCRIPTION In a monochorionic, diamniotic pregnancy of a 28-year-old healthy woman, monozygotic twins...
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