Write down the medical terms according to the definition or explanation with the clue of the first letter.1. n. any disease-producing agent (especially a virus or bacterium or other microorganism). (p_____)
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n. the chief phagocytic white blood cells and stains with either basic or acid dyes. (N______)
n. a type of cell present in the body that is able to absorb bacteria and other small cells. (p_____)
n.a type of small white blood cell with one round nucleus , found especially in the lymphatic system. (L_____)
adj. (especially of a disease) lasting for a long time. (c______)