[noun] 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
[noun] any of the glands of the endocrine system that secrete hormones directly into the bloodstream Synonyms:gland, ductless gland
[adjective] of or belonging to endocrine glands or their secretions; "endocrine system" Synonyms:endocrinal
