The idea was the pancreas's internal secretion, which, it was supposed, regulates sugar in the bloodstream, might hold the key to the treatment of diabetes.
From the en.wikipedia.org
The reindeer show no natural internal rhythm of melatonin secretion at all.
From the sciencedaily.com
Our internal clock speeds up under danger because of the secretion of adrenaline and therefore we have the sensation of time slowing down.
From the sciencedaily.com
Chronic sleep restriction and disruption to the body's internal clock caused about a one-third decrease in insulin secretion after a standard meal, the researchers found.