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Is there a exchange of cells between the mother and the fetus through the placenta?
Under normal conditions, there is not a passage of cells across the placenta during gestation. The placenta has a smooth mucosa dividing the richly vascularized region in contact with the mother's endometrium from the umbilical cord in contact with the fetal blood. This barrier is called as placental barrier. Although permeable to some substances (selective permeability) the placental barrier forbids the passage of cells.
You have learnt about the epidemiology, etiology and pathogenesis of acute rheumatic fever. Revised Jones criteria, which have major and minor criteria, are helping to diagnosis of
Write down any other possible explanations you think of.could the cooler have had any effect? Could something in the water be reasonable? Could there be an object in the water that
General Principles for Incisions The general principles for placing incisions so as to create surgical flaps remain the same regardless of the reason for creating them. These a
These are solid, liquid or gaseous substance present in the atmosphere in such concentrations, as may be or tend to be injurious to human beings or other living creatures, plants a
P r o s p ec ts of meat products The demand for convenience meat based fast food is ever increasing due to rapid industrialization and urbanization, higher standards of l
Discuss the similarities and differences of transposable elements in E. coli, yeast, plants, and Drosophila.
Explain the Reduction in free radical generation - Vitamin E? 1) Reduction in free radical generation: Vitamin E acts synergistically with selenium thereby reducing susceptibil
Determine about the microtubules The microtubules are hollow tubular structures formed by a special arrangement of two proteins called the alpha and beta tubulins. The microtu
Q. Explain about Spring Model ? The spring model depicts elasticity. A force is applied in terms of load onto the spring as illustrated in the figure 8.6. When the force is app
Diagnostic Evaluation A study of complete blood count (CBC) and blood chemistry mainly uric acid levels, is necessary for dignostic evaluation. Radiologic studies are
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