A gland is an organ or group of specialised cells that produces and releases substances needed by the body.
Some glands release their products into the bloodstream, while others release them through ducts onto body surfaces or into body cavities.
Examples include:
- Sebaceous glands
- Sweat glands
- Salivary glands
- Thyroid gland
- Adrenal glands
Commonly Confused With
Hormone
A gland produces substances, while a hormone is one type of substance that some glands produce.
See Also
- Hormone
- Sebaceous Gland
- Sweat Gland
- Endocrine System