Examlex
What process involves the binding of calcium and troponin to shape shift the tropomyosin, exposing activated sites on the actin filament and causing a subsequent shortening of the muscle fiber?
Red Pulp
A tissue in the spleen composed of blood-filled sinuses and splenic cords, involved in filtering blood and removing aged or damaged red blood cells.
White Pulp
Lymphatic tissue in the spleen composed of lymphocytes and macrophages, involved in the immune response.
Germinal Center
An area inside lymph nodes where mature B cells grow, evolve, and alter their antibody genes while responding to an immune challenge.
Afferent Vessels
Blood vessels that carry blood toward a particular organ or tissue, often referring to the vessels entering an organ.
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