immune system

2. a toxin inside the immune system
3. response to and counteracting a specific antigen
5. a drug or other compound that inhibits the physiological effects of histamine
8. a form of small leukocyte with a single round nucleus
9. lymphocyte of a type produced or processed by the thymus gland and actively participating in the immune response
10. arthritis a chronic progressive disease causing inflammation in the joints and resulting in painful deformity
13. the study of the immune system
16. a protein released by animal cells, usually in response to the entry of a virus, that has the property of inhibiting virus replication
17. any of various diseases or conditions marked by inflammation of the skin
18. response by the body to disease and injury
20. an abnormally high body temperature
21. a T cell that influences or controls the differentiation or activity of other cells
22. a medicine that inhibits the growth of or destroys microorganisms
24. a bacterium, virus, or other microorganism that can cause disease

1. colorless cell that circulates in the blood and body fluids and is involved in counteracting foreign substances and disease
4. marrow soft fatty substance in the cavities of bones
6. A disease in which the body produces antibodies that attack its own tissues
7. a lymphocyte not processed by the thymus gland
11. lymphoid organ that produces T cell
12. a damaging immune response by the body to a substance, especially pollen, fur, a particular food, or dust
14. a T cell that functions in cell-mediated immunity by destroying a cell
15. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases
19. large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell especially at sites of infection
23. response a reaction of the cells and fluids of the body to the presence of a substance that is not recognized as a constituent of the body itself