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The act of secreting or concealing; as, the secretion of dutiable goods.

The act of secreting; the process by which material is separated from the blood through the agency of the cells of the various glands and elaborated by the cells into new substances so as to form the various secretions, as the saliva, bile, and other digestive fluids. The process varies in the different glands, and hence are formed the various secretions.

Any substance or fluid secreted, or elaborated and emitted, as the gastric juice.

The act of secreting or concealing; as, the secretion of dutiable goods.

The act of secreting; the process by which material is separated from the blood through the agency of the cells of the various glands and elaborated by the cells into new substances so as to form the various secretions, as the saliva, bile, and other digestive fluids. The process varies in the different glands, and hence are formed the various secretions.

Any substance or fluid secreted, or elaborated and emitted, as the gastric juice.

Endogenous substances produced through the activity of intact cells of glands, tissues, or organs. They do not include hormones or enzymes.

In physiology, the act or process of separating from a circulating fluid materials out of which a new substance is made; any substance or fluid so separated, as saliva; the act of concealing or hiding.

1. The production by a cell or aggregation of cells (a gland) of some substance differing in chemical and physical properties from the body from which or by which it is produced. 2. The product, solid, liquid, or gaseous, of cellular or glandular activity. A secretion is stored up in or utilized by the animal or plant in which it is produced, there by differing from an excretion which is intended to be expelled from the body.

That which is a secreted. Work of a secreting organ separating matter secreted from the blood.

The act of secreting or separating from a circulating fluid: that which is secreted.

Separation, as of materials from blood or sap; the substance secreted, as saliva or milk.

The act of secreting, specially from the blood; the fluid or matter secreted.

The process by which substances are separated from the blood or its constituents, different from the blood itself, as saliva, bile, urine, &c.; one of the substances thus separated.

A substance or fluid which is separated from the blood or other cells ; the process of such separation.

An organic function, which is chiefly executed in the glands, and consists in an elaboration or separation of the materials of the blood, at the very extremities of the arterial system, or rather of the vascular secretory system; and which differs in each organ according to its particular structure; hence the formation of different fluids ;-bile, saliva, urine, milk, &c. The secretions are of three kinds: - exhalant, follicular, and glandular. Simple se-cretions are those which exist ready-formed in the blood, and pass out of the vessels by an act of exosmose, whilst the more complicated are formed from the liquor sanguinis by cell-agency. The latter, alone, are, by some, called Secretions.

The process of separating various substances from the blood; also, any substance thus separated.

The process by which certain constituents of the blood are separated from that fluid by glands having that process for their function. See excretion.

The fluid so elaborated.

n. Act of secreting; especially, production from the general nourishing substance of particular substances in the vital economy;—the matter secreted.