pygidium

pygidium

美 　英 [paɪ'dʒɪdɪəm]

• n.【动】尾节；(介壳虫)臀板
• 网络尾板；尾部；肛节

词形变化

复数：pygidia  

英汉解释

n.	1. 【动】尾节,尾板;(介壳虫)臀板

英英解释

n.	1. the hindmost part of the body in some insects, worms, and other invertebrates 2. a protective covering of the anal portion of the abdomen of some invertebrates