Anal Sacs |
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| Anal Glands, Animal; Anal Gland, Animal; Anal Sac | |
| 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). | |