endocrine

Adjective

• of or belonging to endocrine glands or their secretions
  • endocrine system
    

Noun

• any of the glands of the endocrine system that secrete hormones directly into the bloodstream

• the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect

Related words

• Synonyms: 
  endocrinal , endocrine gland , ductless gland , hormone , internal secretion