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- ... Influenced by hormones, they mature there into several types of cells, including helper, killer, and suppressor cells. These different types work together to attack foreign invaders. They provide ...
- ... brain. When an arterial wall becomes damaged, various types of emboli, or obstructions, can form. Emboli can ...
- ... it to the blood after filtering it. Some types of blood cells are also made in the ...
- These amoeba-like cells are a type of phagocyte called macrophages. They're scavenger cells that can form tentacles called pseudopods to surround and ingest foreign cells. Once swallowed, ...