Lymphoid System Flashcards
Where are you most likely to find B cells and T cells in the lymph node?
B cells: nodular cortex T cells:deep cortex
Where do lymphoid cells undergo maturation and education?
Thymus
What does the red pulp of the spleen contain? What about the white?
Red: sinuses and sinusoids filled with blood, responsible for filtration
White: aggregates of lymphoid tissue, responsible for immunological function
Where are you most likely to find Mucosa-associated lymphoid tissue (MALT)?
gastrointestinal tract
respiratory tract
urogenital tract
What comprises the Gut-associated lymphoid tissue (GALT)?
tonsils
Peyer’s patches (small intestines)
lymphoid aggregates in large intestine
lymphoid tissue accumulating with age in stomach
small lymphoid aggregates in esophagus
diffusely distributed lymphoid cells and plasma cells in lamina propria of gut
In birds, what is the bursa of fabricius?
Outpocketing of cloaca where B lymphocytes mature and migrate to other body tissues
