Immun Organ Structures

Question 1

lymph node

Answer 1

many afferants with 1 efferent. encapsulate organ with trabeculae. nonspecific filtration by macrophages. stores B / T cells + immune response activation

Question 2

follicle

Answer 2

B-cell localization/ proliferation. 1* follicles are dense / dormant. 2* pale central germinal centers (active)

Question 3

medulla

Answer 3

contain medullar cords (closely packed lymphocytes + plasma cells). medullary sinuses communicate w/ efferent lymphatics and contain reticular cells / macrophages

Question 4

paracortex

Answer 4

T cells. absent in Digeorge syndrome