metasoma
arachnid anatomy
Quick Summary
The metasoma, also known as the postabdomen, is the tail-like posterior section of a scorpion's body. It is composed of five segments and terminates in a telson, which contains the stinger used for injecting venom. The metasoma is a mobile and slender part of the scorpion's abdomen, which is further divided into the mesosoma (preabdomen) and metasoma. This segmented tail is a defining characteristic of scorpions and is crucial for their defense and predation.12
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