ˈen-də-krən, -ˌkrīn, -ˌkrēn
Adjective
1. Pertaining to internal secretions, hormonal. (biology-online.org)
2. Secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect. (biology-online.org)
3. Of, relating to, affecting, or resembling an endocrine gland or secretion
Word origin: Greek Krinein = to separate