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How did West African conceptions of land ownership differ from European ones?
Antigens
Substances that the immune system identifies as foreign or dangerous, prompting an immune response.
T Cells
A type of white blood cell that plays a central role in cell-mediated immunity, recognizing and responding to infected cells.
Self-tolerance
The immune system's ability to recognize and not mount an attack against the body's own cells and tissues.
Rheumatoid Arthritis
A chronic inflammatory disorder affecting joints, including those in the hands and feet, characterized by painful swelling that can result in bone erosion and joint deformity.
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