The anal glands also referred to as the anal sacs are two sebaceous glands located on either side of the anus that secrete a pungent fluid. They are found in many mammals, including cats, dogs, and bears. But what about humans? Do humans have anal glands? The way the anal glands work is fluid produced by the anal gland travels through small ducts that open into the anus.
Anal Glands: What Are They and Do I Need to Express Them?
Swollen Anus & Swollen Rectum Causes, Treatment, and More | Buoy
The anal glands or anal sacs are small glands near the anus in many mammals , including dogs  and cats. They are paired sacs on either side of the anus between the external and internal sphincter muscles. Sebaceous glands within the lining secrete a liquid that is used for identification of members within a species. These sacs are found in many species of carnivorans ,  including wolves ,  bears ,   sea otters  and kinkajous. The anal glands are in the wall of the anal canal.
Glands in the Human Body and their Functions
This question comes up often. Why is my dog having anal gland problems? People also want to know what they can do to prevent it. In order to understand how to prevent anal gland problems it is important to understand the first question of what causes anal gland problems.
Anal cancer is an uncontrolled growth of abnormal cells in the anus. The anus is the end of the large intestine, through which solid waste leaves the body. The treatments for anal cancer and rectal cancer can differ.