Noun
any of the glands of the endocrine system that secrete hormones directly into the bloodstream
Source: WordNetAdrenal gland An endocrine gland located on top of the human kidney. Source: Internet
An endocrine gland is attached to the ventral posterior surface of the brain, and appears to be involved in reproductive activity. Source: Internet
It is also an endocrine gland producing several hormones in the islets of Langerhans. Source: Internet
These later substances are hormones, and so the pancreas is also an endocrine gland. Source: Internet