|small sacs or alveoli that terminate the ducts of some exocrine glands. lined with secretory cells|
|1.||a substance that is released from a cell, esp a glandular cell, and is synthesized in the cell|
|2.||the process involved in producing and releasing such a substance from the cell|
|[C17: from Medieval Latin sēcrētiō, from Latin: a separation; see |
secretion se·cre·tion (sĭ-krē'shən)
The process of secreting a substance from a cell or gland.
A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.
|secretion (sĭ-krē'shən) Pronunciation Key
in biology, production and release of a useful substance by a gland or cell; also, the substance produced. In addition to the enzymes and hormones that facilitate and regulate complex biochemical processes, body tissues also secrete a variety of substances that provide lubrication and moisture. Within an individual cell the Golgi apparatus and its associated secretory granules are thought to be the structures responsible for the production and release of secretory substances.
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