Bio 2 - Module 9

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Across
  1. 1. - The process of inducing immunity artificially. It is the exposure of a person to material (a vaccine) that is antigenic but not pathogenic.
  2. 5. - --- mediated immunity or AMI is triggered by antigens and involves B lymphocytes for antibody reproduction.
  3. 7. - Originate in the bone marrow and mature in the thymus. They make up 60 to 70% of circulating lymphocytes. Three subclasses: Helper, cytotoxic, and suppressor T cells.
  4. 9. - --- presenting cells include macrophages and dendritic cells.
  5. 10. - Secretes antibodies. Effective against microorganisms in the extracellular fluids. Originate in foetal bone marrow where it migrates to foetal liver and lymphoid tissues to mature. It makes up 10 to 20% of circulating lymphocytes.
  6. 11. - --- T cells secrete cytokines, regular IR, and activate other T cells and B cells.
Down
  1. 2. - --- immunity is acquired during an infection (naturally) or vaccination (artificially). Provides immunological memory from memory lymphocytes.
  2. 3. - --- T cells dampen down responses and rid intracellular microorganisms.
  3. 4. - --- T cells kill virus-infected and cancerous cells.
  4. 6. - --- immunity is acquired from the mother through the placenta or colostrum (naturally) or a donor animal/human (artificially). Is short-lived with no memory.
  5. 8. - --- mediated immunity or CMI is triggered by antigens and involves the destruction of pathogens by T lymphocytes.