Metasoma

Source: Wikipedia, the free encyclopedia.
Scorpion anatomy: 1 = prosoma; 2 = mesosoma; 3 = metasoma
petiole
.

The metasoma is the posterior part of the body, or

caterpillars) have some form of appendages, such as prolegs or, in aquatic insects, gills
.

In

In scorpions, the metasoma is the tail.[3] In other chelicerates, such as spiders, the mesosoma is fused with the metasoma to form the opisthosoma.[1]

References