Of or belonging to endocrine glands or their secretions. Synonym:endocrinal.
noun
1.
The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect. Synonyms:hormone, internal secretion.
2.
Any of the glands of the endocrine system that secrete hormones directly into the bloodstream. Synonyms:ductless gland, endocrine gland.
... he added, deliberately, "seems to lie in one of what the scientists have lately designated the 'endocrine glands'—in this case the pituitary. My X-ray pictures ... — The Treasure-Train • Arthur B. Reeve
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