Risk-neutral measures find extensive application in the pricing of derivatives. Indifference to risk. The risk-neutral investor would be in the middle of the continuum represented by risk-seeking investors at one end, and risk-averse investors at the other extreme. Risk-neutral measures find extensive application in the pricing of derivatives.
Macrophages are highly specialized in removal of dying or dead cells and cellular debris. This role is important in chronic inflammation, as the early stages of inflammation are dominated by neutrophil granulocytes, which are ingested by macrophages if they come of age (see CD31 for a description of this process).
The nucleus is an organelle that is surrounded by a double membrane called the nuclear envelope. The nuclear envelope separates the contents of the nucleus from the rest of the cell. Eukaryotic cells also have a cell membrane (plasma membrane), cytoplasm, cytoskeleton, and various cellular organelles.