Glands are important organs located throughout the body. They produce and release substances that perform certain functions. Though you have many glands throughout your body, they fall into two types: ...

Endocrine glands secrete hormones into the bloodstream, while exocrine glands secrete substances, such as sweat or enzymes, into organs or onto the surface of the body. The two main types of glands in ...

Exocrine tissues are classified by type of secretion, for example serous, mucous or mixed, and mechanism of release of secretory product e.g. merocrine, apocrine, holocrine. The salivary glands are ...