internal secretion

noun

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

Example Sentences

In many cases the internal secretion is no mere accumulation, e.g. the internal skeleton of the Radiolaria, and the nematocysts of the Coelentera.

From Project Gutenberg

The infundibular portion of the pituitary body, the portion which is developed from the infundibulum of the brain, possesses an internal secretion, which, injected intravenously, causes a marked rise of blood pressure and slowing of the heart beat.

From Project Gutenberg

It is generally believed that the internal secretion of the thyroid and the adrenal are antagonistic.

From Project Gutenberg

It supplies an internal secretion which "takes a direct part in the protein metabolism of the tissue cells, and also in the defensive reactions within these cells, as well as in the phagocytes and in the blood stream."

From Project Gutenberg

In the adrenal type Sajous argues that adrenalin produces lesions experimentally, therefore the adrenal gland has a profound influence by its internal secretion in connection with the sympathetic system in producing degenerations leading to arteriosclerosis.

From Project Gutenberg