endocrine

adjective
en·​do·​crine | \ ˈen-də-krən How to pronounce endocrine (audio) , -ˌkrīn, -ˌkrēn\

Definition of endocrine

 (Entry 1 of 2)

1 : secreting internally specifically : producing secretions that are distributed in the body by way of the bloodstream hormones produced by the endocrine system
2 : of, relating to, affecting, or resembling an endocrine gland or secretion endocrine tumors