Lymphatic and Immune System

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Across
  1. 2. Between cells of the tissues, often used interchangeably with ‘intercellular’.
  2. 4. Histologically, tonsils do not contain a complete capsule, and the epithelial layer invaginates deeply into the interior of the tonsil to form tonsillar crypts.
  3. 5. A form of cancer in which masses of malignant T and/or B lymphocytes.
  4. 7. A killed or weakened pathogen or its components that, when administered to a healthy individual, leads to the development of immunological memory.
  5. 9. Enzymatic cascade of constitutive blood proteins that have antipathogen effects, including the direct killing of bacteria.
  6. 11. Secondary lymphoid organ that filters pathogens from the blood (white pulp) and removes degenerating or damaged blood cells (red pulp).
  7. 13. A firm, raised reddened patch of skin.
  8. 14. Precursor to macrophages and dendritic cells seen in the blood.
  9. 15. Molecule recognized by the receptors of b and t lymphocytes.
  10. 16. Primary lymphoidd organ, where t lymphocytes proliferate and mature.
  11. 17. Programmed cell death.
Down
  1. 1. Disease causing agents.
  2. 3. White blood cells characterized by a large nucleus and small rim of cytoplasm.
  3. 6. Vasoactive mediator in granules of mast cells and is the primary cause of allergies and anaphylactic shock.
  4. 8. Antigens that evoke type 1 hypersensitivity (allergy) responses.
  5. 9. Movement in response to chemicals; a phenomenon in which injured or infected cells and nearby leukocytes emit the equivalent of a chemical “911” call, attracting more leukocytes to the site.
  6. 10. A cancer involving an abundance of leukocytes.
  7. 12. Early induced proteins made in virally infected cells that cause nearby cells to make antiviral proteins.