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internal secretion

British  

noun

  1. physiol a secretion, esp a hormone, that is absorbed directly into the blood

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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This substance from oxen glands will cure the serious condition known as parathyroid tetany, which is due to an insufficiency of the parathyroid internal secretion.

From Time Magazine Archive

The pancreas is such a gland, and it is the internal secretion of the pancreas, distinct from the pancreatic juice, from which insulin, the diabetes specific, is derived.

From Time Magazine Archive

At the same time, the theory supposes** that the testes form an internal secretion.

From Time Magazine Archive

In the utilization of data gathered from non-human species, certain differences in the systems of internal secretion must be taken into account.

From Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family by Melvin Moses Knight

Without its internal secretion, brain activity is very sluggish.

From Psychology A Study Of Mental Life by Robert S. Woodworth

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