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穿山甲为什么叫穿山甲
更新时间： 2020-10-26 00:00:00  

因为它很能打洞，又全身披着鳞片，所以形象地叫穿山甲。全身鳞甲如瓦状。自额顶部至背、四肢外侧、尾背腹面都有。鳞甲从背脊中央向两侧排列，呈纵列状。鳞片呈黑褐色。鳞有三种形状：背鳞成阔的菱形，鳞基有纵纹，边缘光滑。纵纹条数不一，随鳞片大小而定。腹侧、前肢近腹部内侧和后肢鳞片成盾状，中央有龙骨状突起，鳞基也有纵纹。尾侧鳞成折合状。鳞片之间杂有硬毛。两颊、眼、耳以及颈腹部、四肢外侧、尾基都生有长的白色和棕黄色稀疏的硬毛。绒毛极少。成体两相邻鳞片基部毛相合，似成束状。雌体有乳头1对。

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