Examlex
When 2-year-old Matthew was told he would get no dessert until he finished the food on his plate,he threw his plate on the floor in a temper tantrum. Freud would have suggested that Matthew was unable to resist the demands of his
Viral Infections
Viral infections occur when viruses enter and multiply in the living cells of a host, potentially causing a wide range of health problems.
Macrophages
A kind of leukocyte that consumes and breaks down cellular waste, foreign materials, microorganisms, and cancerous cells through a mechanism known as phagocytosis.
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders, such as bacteria, viruses, and cancer cells.
Carcinogens
Substances or exposures that are capable of causing cancer in living organisms.
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