Anal scale

（重定向自Anal plate）

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.

单词	Anal plate
释义	Anal plate 英语百科 Anal scale （重定向自Anal plate） 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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