Pygidium

The pygidium (plural pygidia) is the posterior body part or shield of crustaceans and some other arthropods, such as insects and the extinct trilobites. It contains the anus and, in females, the ovipositor. It is composed of fused body segments, sometimes with a tail, and separated from thoracic segments by an articulation.

单词	Subisopygous
释义	Subisopygous 英语百科 Pygidium The pygidium (plural pygidia) is the posterior body part or shield of crustaceans and some other arthropods, such as insects and the extinct trilobites. It contains the anus and, in females, the ovipositor. It is composed of fused body segments, sometimes with a tail, and separated from thoracic segments by an articulation.
随便看	retrogasserian neurotomy retrogasserian rhzotomy retrogate retrogation retrogene retrogenerative retrogenes Retrogenesis retrogenic reexpression retroglossal retrognathia retrognathic Retrognathism Retrognathisms retrognathous retrogradant retrogradate retrogradation retrogradatory retrograde abdominal angiography retrograde abdominal aortography retrograde activation retrograde air pyelogram retrograde aldol condensation retrograde amalgam

Subisopygous

Pygidium