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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 ?
China's Incretion Drugs Import Volume and Market Share by Kind in 2008
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.
Influence of extraction of fruetus ligustri lueidi on meat quality and incretion status of broilers under heat stress.
It can be seen from the study that the quantity and level of activation of dendritic cells in prostate cancer foci had been increased by the integrative use of Chinese herbal medicine and incretion therapy.