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Lymph node
Lymph nodes are components of the lymphatic system. Lymph nodes act as filters, with an internal honeycomb of connective tissue filled with lymphocytes that collect and destroy bacteria and ... > more -
Flatulence
Flatulence is the presence of a mix of gases known as flatus (lat. flatus = "wind") produced by symbiotic bacteria and yeasts living in the gastrointestinal tract of mammals. The average human ... > more -
Botulinum toxin
Botulinum toxin is a neurotoxic protein produced by the bacterium Clostridium botulinum. It is one of the most poisonous naturally occurring substances in the world. Though it is highly toxic, it is ... > more -
Organ transplant
An organ transplant is the transplantation of a whole or partial organ from one body to another (or from a donor site on the patient's own body), for the purpose of replacing the recipient's damaged ... > more
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