A pair of anal glands or sacs, located on either side of the ANUS, that produce and store a dark, foul-smelling fluid in carnivorous animals such as MEPHITIDAE and DOGS. The expelled fluid is used as a defensive repellent (in skunks) or a material to mark territory (in dogs).

Tumors or cancer of the anal gland.

Perianal glands, also known as hepatoid glands, are sebaceous glands located in the perianal region of many mammals, including humans, that produce and secret lubricating oils for skin protection and cleanliness.

Large, branched, specialized sweat glands that empty into the upper portion of a HAIR FOLLICLE instead of directly onto the SKIN.

Sweat gland neoplasms are abnormal growths that can be benign or malignant, originating from the sweat glands (eccrine or apocrine) and found anywhere on the skin surface.

Diseases of the domestic dog (Canis familiaris). This term does not include diseases of wild dogs, WOLVES; FOXES; and other Canidae for which the heading CARNIVORA is used.