Anal Sacs

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).

Year introduced: 1968

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Tree Number(s): A13.073

MeSH Unique ID: D000695

Entry Terms:

• Anal Sac
• Anal Glands, Animal
• Anal Gland, Animal

Previous Indexing:

• Anus (1966-1967)
• Carnivora (1966-1967)

All MeSH Categories
Anatomy Category
Animal Structures
Anal Sacs