There are many different types of T cells that all perform different functions, but among the most important are Helper T cells and Killer T cells. Both of these types of cells bind cells in the body and can identify whether the cell is healthy and belongs to the body or whether it's not healthy or doesn't belong.
The definition of benevolence is a kind act or gift or the doing of kind things for others. 1  An example of benevolence is a gift of money affording someone the opportunity to go to college. 2  An example of someone who had feelings of benevolence was Mother Theresa.
Beneficence (ethics) Beneficence is a concept in research ethics which states that researchers should have the welfare of the research participant as a goal of any clinical trial or other research study. The antonym of this term, maleficence, describes a practice which opposes the welfare of any research participant.