1. the cellular process of elaborating a specific product. This activity may range from separating a specific substance of the blood to the elaboration of a new chemical substance.
material that is secreted, such as sebum
(the fatty substance produced by the sebaceous glands to lubricate the skin), saliva
(produced by the salivary glands), and gastric juice
(secreted by specialized glands of the stomach). The secretions of the endocrine glands include various hormones
and are important in the overall regulation of body processes.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. Production by a cell or aggregation of cells (a gland) of a physiologically active substance and its movement out of the cell or organ in which it is formed.
The solid, liquid, or gaseous product of cellular or glandular activity that is stored in or used by the organism in which it is produced. Compare: excretion
[L. secerno, pp. -cretus, to separate]
Farlex Partner Medical Dictionary © Farlex 2012
1. The process of secreting a substance, especially one that is not a waste, from the blood or cells: secretion of hormones; secretion of milk by the mammary glands.
2. A substance, such as saliva, mucus, tears, bile, or a hormone, that is secreted.
se·cre′tion·ar′y (-shə-nĕr′ē) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
1. Production by a cell or by an aggregation of cells (a gland) of a physiologically active substance and its movement out of the cell or organ in which it is formed.
The solid, liquid, or gaseous product of cellular or glandular activity that is stored up in or used by the organism in which it is produced.
[L. se-cerno, pp. -cretus, to separate]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
secretion The synthesis and release of chemical substances by cells or glands. Substances secreted include enzymes, hormones, lubricants, surfactants and neurotransmitters. Internal secretion is secretion into the bloodstream. External secretion may be into the intestinal canal or other organs or on to the skin. Compare EXCRETION.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
- the process by which a useful substance produced in a cell is passed through the plasma membrane to the outside.
- the substance itself. Secretions are usually produced by gland cells, but may be the results of cell destruction as in SEBACEOUS GLANDS. Glands of internal secretion (ENDOCRINES) pass their secretions directly into the blood stream whereas glands of external secretion (EXOCRINES) pass their secretions into special ducts.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
A substance, such as saliva or mucus, that is produced and given off by a cell or a gland.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
. The substance produced by a cell or organ (e.g. a gland). 2
. Production by a cell or organ of a physiologically active substance. This flow out of a cell is driven by an osmotic pressure gradient across the membrane, which is created by active transport of one or more ion species from one side to the other. See active transport
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
1. Production by a cell or aggregation of cells (a gland) of a physiologically active substance and its movement out of cell or organ in which formed.
2. Solid, liquid, or gaseous product of cellular or glandular activity stored in or used by organism in which it is produced.
[L. se-cerno, pp. -cretus, to separate]
Medical Dictionary for the Dental Professions © Farlex 2012
Patient discussion about secretion
Q. What's the secret to looking good and fit? My friend who regularly visits my beauty parlor became very slim within 3 months. To be honest I am jealous of her. What's the secret to looking good and fit?
A. the answer is that there is no secret. you need to be consistent with your eating and exercise.
Q. how do celebrities look so thin and beautiful? what is their secret?
A. and all sorts of liposuctions and esthetic surgery...More discussions about secretion
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