189 ECHOCARDIOGRAPHIC STUDIES OF THE DEVELOPING HUMAN FETUS
نویسندگان
چکیده
منابع مشابه
Echocardiographic and anatomical correlates in the fetus.
Fetal cardiac anatomy was studied in 200 pregnancies between 14 weeks' gestation and term using real time two-dimensional echocardiography. Eight scan planes were chosen as contributing valuable and distinct information on the establishment of cardiac normality. To confirm the echocardiographic interpretation, 25 fetal specimens between 12 and 28 weeks' gestational age were sectioned to imitate...
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چکیده ندارد.
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Although human T cells enter the peripheral lymphoid tissues early during fetal development, the adaptive immune system in the fetus has largely been regarded as functionally immature and unresponsive to stimulation. In this study, we show that depletion of fetal CD4+CD25(high) T regulatory (T(Reg)) cells, which are present at high frequency in fetal lymphoid tissues, results in vigorous T cell...
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The M-mode echocardiogram can be obtained in the developing human fetus from around the 16th week of gestation until term. Errors in interpretation of the M-mode echocardiogram can be avoided by concurrent two dimensional fetal cardiac examination. The pattern of motion of the mitral, tricuspid, aortic, and pulmonary valves and ventricular wall motion can be studied. Motion of the foramen ovale...
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Formation of the ventricular system begins at the time the neural groove closes to form a neural tube. Fluid is present within the tube, even before the choroid plexus anlage appears. This fluid serves as a structural support for the tube, as well as a pathway for diffusion of metabolites prior to the formation of blood vessels. In the small, thin-walled fetal brain, fluid movement is character...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1978
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-197804001-00194