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How does macrophages, dendritic cells and phagotocysis all corelate in realtion to the fetal immune system?
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- For the following mechanism that is thought to contribute to maternal–fetal tolerance, state whether you would consider it to be an example of T cell tolerization, control of responses by regulatory lymphocytes, immune deviation or immune privilege: a) Tissues at the maternal–fetal interface are populated with non-professional APCs that lack costimulatory moleculesWhat is hematopoiesis? Where does the process occurbefore birth? After birth? What type of stem cell are allformed elements derived from? Distinguish betweenmyeloid stem cells and lymphoid stem cellsOutline the lymphatic system formation in the developingembryo and fetus.
- A newborn infant has not started breastfeeding yet. Which isotype of maternal antibody/antibodies does the newborn have that they received from their mother while in utero?Define the Erikson’s stage and write a paragraph on each stage. Explain how and why well-controlled maternal immune responses play a positive physiological role in fetal immune and nervous system development. (3 paragraphs).Explain why the passive transfer of antibodies is of greatimportance for the newborn.
- For the following mechanism that is thought to contribute to maternal–fetal tolerance, state whether you would consider it to be an example of T cell tolerization, control of responses by regulatory lymphocytes, immune deviation or immune privilege: a) Placental cells express FasL and can kill Fas-expressing maternal T cells.What are the common types of non-Hodgkin lymphoma (NHL) in children?For the following mechanism that is thought to contribute to maternal–fetal tolerance, state whether you would consider it to be an example of T cell tolerization, control of responses by regulatory lymphocytes, immune deviation or immune privilege: a) When effector T cells are generated, Th2 responses dominate.