Anal Sacs
《英文msh詞典》Anal Sacs
[主題詞] Anal Sacs
[入口詞] Anal Glands,Animal
[入口詞] Anal Gland,Animal
[入口詞] Anal Sac
[中文釋義] 肛囊
[英文釋義] 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 SKUNKS and DOGS. The expelled fluid is used as a defensive repellent (in skunks) or a material to mark territory (in dogs).