
The metasoma is the posterior part of the body, or tagma, of arthropods whose body is composed of three parts, the other two being the prosoma and the mesosoma. In insects, it contains most of the digestive tract, respiratory system, and circulatory system, and the apical segments are typically modified to form genitalia. In a few of the most prim...
Found on
http://en.wikipedia.org/wiki/Metasoma

(from the article `arachnid`) There are many modifications of the cephalothorax and abdomen. Among the scorpions the abdomen is subdivided into the mesosoma, or preabdomen, and ...
Found on
http://www.britannica.com/eb/a-z/m/79

the "tail" of athe scorpion, consisting of five tubular segments. The metasoma is actually part of the opisthosoma (abdomen), rather than an actual tail. The metasomal segments bear longitudinal carinae, whose strength and granulation provide useful taxonomic characters. Ventrodistally, in a membranous area, on the fifth metasomal segment is the...
Found on
https://www.encyclo.co.uk/local/21266

the tail. Part of the Abdomen, has five connected segments.
Found on
https://www.encyclo.co.uk/local/21561
No exact match found.