We still know less about the causes of hormones than the effects.
She was about 24, black-haired, small-waisted and bubbling with hormones.
We can predict what will happen when massive doses of hormones and enzymes and such are used.
We had Leduc and his "fairy flowers," as now we have Loeb and others with their metabolites and hormones.
The activities of the ductless glands and their hormones equally serve both ends in ways that cannot be distinguished.
They have recently been much studied, and the general name of Hormones given to them by Starling.
One of the hormones is interesting in connection with the relation of emotions to smooth muscle and gland activity.
The evidence upon which the doctrine of hormones is based is admirably summarised in the above-quoted paper by Cunningham.
They are called endocrine glands or organs, and their chemical contributions to the blood are known as hormones.
The hormones were traded to the big chemical plants for a pittance to buy what had to come from Earth.