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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.
DPP-4 inhibitors are considered a new class of oral hypoglycemics that target two incretion hormones, which researchers believe are involved with regulating blood sugar.
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. Calcitonin and vitamin D3 also decrease with age.