Regular exercise in the open air is of the greatest importance, as it has an extraordinary influence in promoting the secretion of healthy milk.

That two kinds of cells could live within the same gland: one set usually recognized as producing the external secretion, the other evolving the internal secretion, was an astounding original conception.

The thyroid probably performs these functions by sending its secretion to the cells directly responsible for the immunity reactions, and stimulating them to activity.

Certain foods with aphrodisiac qualities may act by stimulating the internal secretion of the sex glands.

The names which became most popular were those which represented a contrast of the glands with the ducts, conveying their secretion to the exterior, as the glands of EXTERNAL SECRETION and the glands without the ducts, the secretions of which were kept within the body, absorbed by the blood and lymph to be used by the other cells, as the glands of INTERNAL SECRETION.

For he found that, though, in thus separating the gland from its duct and so cutting off its external secretion, the action of the cells manufacturing that secretion was destroyed, the general effects upon the body were not those of castration.

They are believed by some to elaborate the specific internal secretion of the thymus.

Other digestive organs which are tributary to this canal, and discharge their secretions into it, are the salivary glands,[20] the liver, and the pancreas.

The great change of life from camping out, and the rough scenes of the forest, could not fail to disturb the functional secretions.

The reactions of the pupils when charged by strong emotion, like fear or anger, likewise turn upon the status of check or drive internal secretions in the economy of the organism at the time the exciting agent presents itself.

"See here, Kernal," said I, somewhat riled at seein' him make a spittoon of my best 'stove-pipe,' "if it's all the same to you, spose'n you eject your vile secretion out of the winder.

That two kinds of cells could live within the same gland: one set usually recognized as producing the external secretion, the other evolving the internal secretion, was an astounding original conception.

There is not an organ of the body that is not now interrogated daily in the way of physical diagnosis, and we even examine separately the secretion of each of the two kidneys.

This stuff would in itself act as a purgative, but it does more, it abnormally excites the secretions of the whole alimentary canal, and a sort of sub-acute mucous inflammation is set up.

Thus, "the little Sundew exudes a gluey secretion from the surface of its leaves, which serves to attract and retain insects, the decay of whose bodies seems to contribute to its existence."

It is apparently not the ductless glands alone that furnish internal secretions; the glands that are provided with ducts and yield a definite and observable product secrete also a substance (perhaps more than one) which they give up to the blood.

They are somewhat styptic, and bitterish; and hence my be of some service in debility and laxity of the viscera, and immoderate secretions, or a suppression of the natural evacuations depending thereon: they are recommended in haemorrhages and fluxes; and likewise as aperients, in suppressions of urine, obstructions of the viscera, in the jaundice, &c.

All through the animal world, in the springtime, when the pituitary awakens or increases its secretion, and so stimulates the sex glands to augmented activity, emotions of sex and their expression are provoked by the inner stirring.

Fifty experiments on dogs whose blood and kidneys were, during the experiment, kept at 40° C., yielded the result that the blood of starving animals induced no secretion of urine, which on the other hand showed itself in copious quantities where normal blood was conducted through the kidney.

Ultimately it acts, too, as a gland of internal secretion, influencing the internal secretions of the mother, and also those of the embryo.

The cells manufacturing the secretion, its exact chemistry and function, its action upon the blood, the liver and spleen, the heart and lungs, the brain and nervous system, have been minutely investigated, studied and charted.

It becomes filled with the dried remains of the exudate and perverted secretions from the horny and sensitive laminæ (see p. 287).

It was Berthold's idea to test whether a gland with a definite external secretion, and a duct through which that secretion was expelled, but which yet had powers over the body as a whole that were to be attributed only to an internal secretion, could not be shown, by a clean-cut experiment, to possess such an internal secretion.

He reasoned with them, and prohibited the secretion of the unfortunate children, and after a time, by God's blessing, the people became aware of the advantage of the schools and many were converted from the error of their ways, and died rejoicing in God their Saviour.

Nature provides a special secretion, the tears, to moisten and protect the eye.