A vaccine may also give us passive immunity by providing B cells taken from an animal or a human to play the same role.

疫苗也可以通过提供取自动物或人身上的B细胞来发挥同样的作用，从而使我们获得被动免疫。

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By culturing cells taken from rattlesnakes, boas and pythons, and attaching electrodes, the team measured which cells respond to heat to produce this ability.

通过培养响尾蛇、王蛇和蟒蛇身上取下的细胞，并连接电极，研究小组测量出哪种细胞产生对热量作出反应的能力。

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They are used in bone-marrow transplants to treat leukaemia – but in these cases, donor blood taken in the usual way is used to harvest the stem cells.

它们被用在骨髓移植中，用来治疗白血病。 不过，在这些情况下，干细胞从捐赠者按正常方式抽取的血液中获得。

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Henrietta Lacks did not give her permission for the cells to be taken from her tumor.

VOA: special.2010.07.21

While he acknowledges that there is much to be learned from alternative research methods like cell culture a process by which cells are taken from a living organism and grown under controlled conditions VandeBerg says they have learned a lot more from research on chimpanzees.

VOA: standard.2010.02.16

The following night about 55 prisoners refused to return to their cells and an inmate was taken to hospital with head injuries.

BBC: Damage at prison

Before chemotherapy, tumor cells are taken from each patient and then fused to antibody-producing mouse cells.

CNN: Cancer vaccine teaches body to fight off disease

The witness told the court that several samples taken using sticky tape to pick up skin cells showed a mixture of DNA from two or three individuals.

BBC: Lynda Spence