The opisthosoma is the posterior part of the body in some arthropods, behind the prosoma (cephalothorax). It is a distinctive feature of the subphylum...

and the opisthosoma. The prosoma is commonly known as the cephalothorax, and the opisthosoma is commonly known as the abdomen. The opisthosoma is considered...

prosoma and opisthosoma. The prosoma may be evenly domed (e.g. Pholcus, Micropholcus) or have a furrow or pit in the middle. The opisthosoma may be long...

segments are fused into two tagmata, the cephalothorax or prosoma, and the opisthosoma, or abdomen, and joined by a small, cylindrical pedicel. However, as...

main parts, the prosoma (or cephalothorax) and the opisthosoma (or abdomen). The prosoma and opisthosoma are connected by the pedicel, or pregenital somite...

(The terms prosoma and opisthosoma are equivalent to cephalothorax and abdomen in some groups. The terms prosoma and opisthosoma may be preferred by some...

open the old exoskeleton, the spider generally contracts its abdomen (opisthosoma) to supply enough fluid to pump into the prosoma with sufficient pressure...

millimetres to a few centimetres in body length and had segmented abdomens (opisthosoma), with the dorsal exoskeleton (tergites) across the backs of the animals'...

cephalothorax, is the anterior tagma, and the 10-segmented abdomen, or opisthosoma, is the posterior tagma. The abdominal tergites and sternites are separated...

or tagmata: the cephalothorax or prosoma, and the abdomen or opisthosoma. The opisthosoma is subdivided into a broad anterior portion, the mesosoma or...

scorpions and relatives), the term "abdomen" is used interchangeably with "opisthosoma" ("hind body"), which is the body section posterior to that bearing the...

are divided into two tagmata (arthropod body regions): the abdomen (opisthosoma) and the cephalothorax (prosoma). Unlike spiders, the juncture between...

larger in large males, have an alternating black and white fringe. The opisthosoma is black with several white markings on the dorsum - a basal band, a...

Scorpion's Strike: New Evidence of Extreme Lateral Flexibility in the Opisthosoma of Eurypterids". The American Naturalist. 190 (1): 152–156. doi:10.1086/691967...

Calamistrum Cephalothorax Chelicerae Cheliceral fang Cribellum Epigyne Exuviae Opisthosoma Pedipalp Palpal bulb Scopulae Silk Spinneret Urticating hair Human interaction...

modern forms, the whole of the opisthosoma is fused into a single unsegmented structure. The underside of the opisthosoma carries the genital openings and...

have a varied color. The prosoma, legs and sternum are brown, and the opisthosoma is dark. Males grow from 30 to 35 mm in length. Females The females are...

metatarsus d) tibia e) patella f) femur g) trochanter h) coxa i) pedipalp k) setae m) prosoma (cephalothorax) n) opisthosoma (abdomen) o) spinnerets...

The chelicerate body plan consists of two tagmata, the prosoma and the opisthosoma, except that mites have lost a visible division between these sections...

easily recognized by the characteristic leaf-like mark on her posterior opisthosoma, caudal to the yellow-brown cephalothorax. The webs of Zygiella x-notata...

the back part of the abdomen, and another one on the front part of the opisthosoma. There are two small white dots on the posterior back, and two even smaller...

form an arrow-like shape pointing toward the head of the spider. The opisthosoma features a lighter middle line with six "spots" on each side. The giant...

body (prosoma) is brownish with broad darker markings. The abdomen (opisthosoma) has median black markings. The legs are mainly a speckled brown color...

female (XUC-2013-013) E abdomen, lateral view F posterior portion of opisthosoma, ventral view, showing spinnerets G female genitalia (XUC-2013-013),...

the fifth segment of the mother's ventral opisthosoma. The female refuses to eat and holds her opisthosoma in an upward arch so that the broodsac does...

Carapace has two black lines. Opisthosoma has a light grey foliate median band runs the entire length of opisthosoma. Inside large foliate markings,...

arachnids, Amblypygi possess two body segments; the prosoma and the opisthosoma, (often referred to as the cephalothorax and abdomen), four pairs of...

head) or prosoma, and an opisthosoma or abdomen. Segmentation has almost entirely been lost and the prosoma and opisthosoma are fused, only the positioning...

bodies are composed of two main parts (tagma): the cephalothorax and the opisthosoma. The first tagma, the cephalothorax or prosoma, is a fusion of the head...

Acari that lack their primary somatic segmentation of the abdomen (or opisthosoma), rather these parasitic arachnids present a subsequent fusion of the...