FACTOID # 85: The average woman in New Zealand doesn't give birth until she is nearly 30 years old.
 
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Encyclopedia > Humoral immune system

Humoral immunity is mediated by secreted antibodies, produced in cells of the B lymphocyte lineage (B cell). Secreted antibodies bind to antigens on the surfaces of invading microbes, which flags them for destruction.



Immune system
Humoral immune system - Cellular immune system - Lymphatic system
White blood cells - B cells - Antibodies - Antigen (MHC)
Lymphocytes: T cells (Cytotoxic & Helper) - B cells (Plasma cells & Memory B cells)

  Results from FactBites:
 
Immune System - MSN Encarta (586 words)
Immune System, group of cells, molecules, and organs that act together to defend the body against foreign invaders that may cause disease, such as bacteria, viruses, and fungi.
Adaptive immune responses are actually reactions of the immune system to structures on the surface of the invading organism called antigens.
The ability of the immune system to mount a response to disease is dependent on many complex interactions between the components of the immune system and the antigens on the invading pathogens, or disease-causing agents.
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