Endocrine gland

ductless gland of the endocrine system that secretes hormones directly into the blood

Endocrine glands are glands that secrete their product (hormones) directly into the blood. This group contains the glands of the endocrine system.

The main endocrine glands are the pituitary gland, the pancreas, the gonads, the thyroid gland and the adrenal glands. Other organs which are not so well known for their endocrine activity include the stomach, which produces such hormones as ghrelin.

Reference change

Endocrine system
Adrenal gland - Corpus luteum - Hypothalamus - Ovaries - Pancreas - Parathyroid gland - Pineal gland - Pituitary gland - Testes - Thyroid gland - Hormone