endocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
ductless gland, endocrine, endocrine gland - any of the glands of the endocrine system that secrete hormones directly into the bloodstream
endocrinal, endocrine - of or belonging to endocrine glands or their secretions
Example:- endocrine system