1. (noun) any of the glands of the endocrine system that secrete hormones directly into the bloodstream

• ductless gland
• endocrine

1. (noun) any of the glands of the endocrine system that secrete hormones directly into the bloodstream

• adenohypophysis
• anterior pituitary
• anterior pituitary gland
• adrenal
• adrenal gland
• suprarenal gland
• adrenal cortex
• adrenal medulla
• corpus luteum
• epiphysis
• epiphysis cerebri
• pineal body
• pineal gland
• gonad
• sex gland
• hypophysis
• pituitary
• pituitary body
• pituitary gland
• islands of langerhans
• isles of langerhans
• islets of langerhans
• neurohypophysis
• pars nervosa
• posterior pituitary
• posterior pituitary gland
• parathyroid
• parathyroid gland
• pars anterior
• pars distilis
• pars intermedia
• prostate
• prostate gland
• thymus
• thymus gland
• thyroid
• thyroid gland

1. (noun) any of the glands of the endocrine system that secrete hormones directly into the bloodstream

• gland
• secreter
• secretor
• secretory organ

1. (noun) any of the glands of the endocrine system that secrete hormones directly into the bloodstream

• endocrinal
• endocrine