SECRETION

Secretion

Secretion is the process of elaborating, releasing, and oozing chemicals, or a secreted chemical substance from a cell or gland. In contrast to excretion, the substance may have a certain function, rather than being a waste product. The classical mechanism of cell secretion is via secretory portals at the cell plasma membrane called porosomes. Porosomes are permanent cup-shaped lipoprotein structure at the cell plasma membrane, where secretory vesicles transiently dock and fuse to release intra-vesicular contents from the cell.

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secretion

Noun

  1. Any substance that is secreted by an organism.
  2. The act of secreting a substance, especially from a gland.

Noun (etymology 2)

  1. The act of hiding something.


The above text is a snippet from Wiktionary: secretion
and as such is available under the Creative Commons Attribution/Share-Alike License.

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