The endocrine system is a system of ductless endocrine glands that secrete chemicals called hormones that circulate within the body via the bloodstream to affect distant organs. It does not include exocrine glands such as salivary glands, sweat glands and glands within the gastrointestinal tract.
See also:
Table of endocrine glands and the hormones secreted
In both sexes:
(starting from the head and going downwards)
anterior lobe (adenohypophysis)
posterior lobe (neurohypophysis)
In males only
In females only