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An internal secretion.



the formation and discharge by the glands of internal secretion of their products, or hormones (incretions), directly into the blood or lymph. In contrast, glands of external secretion (digestive, sebaceous, sweat) discharge their secretions through an excretory duct to the surface of the body or into the cavities of internal organs.

References in periodicals archive ?
The therapeutic group received fuzhengyiliufa integrative treatment (fuzhengyiliufa TCM treatment plus routine incretion therapy) and the control group received routine incretion therapy only.
The most likely explanation of this condition is a reduced intestinal absorption of calcium with an attendant decrease of calcium in blood and a reactive increase of PTH incretion.
Januvia is said to increase the level of incretion hormones in the body that help lower blood glucose levels; metformin works on the liver to reduce blood sugar.