A gland is an organ in the body that produces and releases substances, such as hormones or enzymes, into the bloodstream or other areas of the body.
Chemical messengers produced by glands that regulate various bodily functions.
Exocrine Gland: A type of gland that releases its substances through ducts directly to specific locations (e.g., sweat glands).
A type of gland that releases its substances (hormones) directly into the bloodstream without using ducts.