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单词 Anal scale
释义

Anal scale

英语百科

Anal scale

Undivided anal scale of an elapid
Divided anal scale of Ptyas mucosus, a colubrid. See the undivided ventral scales to its left and divided caudal scales to the right.

In snakes, the anal scale (or anal plate) is the scale just in front of and covering the cloacal opening. This scale can be either single ("anal entire") or paired ("anal divided"). When paired, the division is oblique. It is preceded by the ventral scales and followed by the subcaudal scales.

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更新时间:2025/6/21 18:08:54