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1. Of or belonging to endocrine glands or their secretions
   "endocrine system"
   - endocrinal

1. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
   - hormone, internal secretion
    
2. Any of the glands of the endocrine system that secrete hormones directly into the bloodstream
   - endocrine gland, ductless gland

Derived forms: endocrines

Type of: gland, secreter, secretion, secretor, secretory organ

Antonym: exocrine

Part of: endocrine system

Encyclopedia: Endocrine