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单词 Anal glands
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Anal glands

英语百科

Anal gland

Diagram showing anal canal, with dentate line, along which anal crypts open. Anal glands drain into anal crypts via anal ducts. Note also intersphincteric plane where some of these glands are located.

The anal glands or anal sacs are small glands found near the anus in many mammals, including dogs and cats. They are paired sacs located 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 all carnivora, including bears, sea otters and kinkajous.

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更新时间:2025/6/18 15:22:13