| paracrine | <endocrinology> Form of signalling in which the target cell is close to the signal releasing cell. Neurotransmitters and neurohormones are usually considered to fall into this category. (18 Nov 1997) |
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| paracrine communication | Cellular signaling in which a factor secreted by a cell affects other cells in the local environment. This term is often used to denote the action of hormones on surrounding cells. (12 Dec 1998) |