نتایج جستجو برای: monozygotic twins
تعداد نتایج: 14593 فیلتر نتایج به سال:
OBJECTIVE To investigate whether hippocampal atrophy, a proxy for incipient Alzheimer's disease, can be detected in non-demented monozygotic co-twins of demented twins by using volumetric magnetic resonance imaging (MRI). METHODS Seven pairs of monozygotic female twins discordant for cognitive function (mean (SD) age 75 (4) years), and 10 age and education matched healthy controls (seven wome...
Abstract Research into the origins of twinning has focused mostly on contributions from female side family. A review current findings suggests that possible male to events have been overlooked. This section is followed by brief reviews twin research concerning monozygotic twins discordant for Parkinson’s disease, fetal loss in pregnancies following prenatal diagnosis, uterine rupture and repair...
In this review, on the base of the literature data on the strong connection between high intelligence in pre/adolescents and high testosterone level in the prenatal fetus development and also on the increased concentration of testosterone in the amniotic liquid in the case of monozygotic male-twins pregnancy, the hypothesis of biologically conditioned intellectual giftedness in the monozygotic ...
Patients with schizophrenia exhibit abnormalities in midsagittal corpus callosum area, shape, and/or displacement. Our goal was to confirm these findings and to establish the genetic and nongenetic contributions to altered callosal morphology in schizophrenia. Relationships between ventricular enlargements potentially contributing to callosal displacements were assessed as a secondary goal. Hig...
BACKGROUND AND OBJECTIVES Postnatal nutrition and subsequent weight gain or failure in the neonatal period are likely regulated by both the environment and the genetic background. With the goal of estimating the variability of postnatal weight gain due to genes and environment, comparison between monozygotic (ie, genetically identical) and dizygotic (genetically similar as 2 siblings) twins can...
We report on two cases of monozygotic twins discordant for body stalk anomaly, diagnosed prenatally in a multicenter ultrasound screening study at 10-14 weeks of gestation. Ultrasound showed a large abdominal wall defect with most of the abdominal contents and almost half of the body in the celomic cavity, in association with severe kyphoscoliosis and a very short umbilical cord. Both pregnanci...
We report two cases of mirror image anomalies in two different pairs of monozygotic twins. In case 1, the twins exhibited mirroring of strabismus and refractive errors. Twin 1 had 35 prism diopters (PD) right intermittent exotropia at distant fixation and myopic anisometropia that was spherical 2.00 diopters more myopic in the right eye. Twin 2 had 35 PD left intermittent exotropia at distant f...
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