Releasing factors are:​

A) ​hormones secreted by endocrine glands.
B) ​hormones that are produced in the brain.
C) ​hormones released by the adrenal glands.
D) ​hormones that are produced as cytokines.

Releasing Factors

Hormonal substances that stimulate the release of hormones from the anterior pituitary gland.

Hormones

Chemical messengers produced by glands in the body that regulate various physiological processes and behaviors.

Endocrine Glands

These are glands in the body that secrete hormones directly into the blood rather than through a duct.