Across
- 7. condition of absence of a spleen
- 8. abnormal reduction of clotting cells (platelets)
- 10. suspension of inactivated microorganisms administered by injection, mouth, or nasal spray to prevent infectious diseases by inducing immunity
- 12. systemic infection
- 13. blood test to measure the volume of erythrocytes
- 14. formation of bone marrow
Down
- 1. decrease in white blood cells
- 2. inflammation of the adenoids
- 3. tumor of the thymus gland
- 4. malignant disease characterized by excessive increase in abnormal leukocytes formed in the bone marrow
- 5. pertaining to the thymus
- 6. process in which some of the white blood cells destroy the invading microorganisms and old cells
- 9. a life-threatening reaction to a previously encountered antigen
- 11. pertaining to the destruction of blood cells
- 12. surgical removal of the spleen