Examlex
The presence of hydrochloric acid in the stomach serves to ____.
Germinal Center
Specialized zones within lymph nodes or the spleen where mature B cells proliferate, differentiate, and mutate their antibody genes during an immune response.
Capsule
An outer covering or layer, often referring to the fibrous covering over certain organs or structures.
Red Pulp
The portion of the spleen involved in filtering blood and removing old or damaged red blood cells.
Lymphocytes
A type of white blood cell that is part of the immune system, involved in protecting the body against both infectious disease and foreign invaders.
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