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单词 Opisthosoma
释义

Opisthosoma

英语百科

Opisthosoma

Arachnid anatomy:
(1) four pairs of legs
(2) prosoma (cephalothorax)
(3) opisthosoma (abdomen)

The opisthosoma is the posterior part of the body in some arthropods, behind the prosoma (cephalothorax). It is a distinctive feature of the subphylum Chelicerata (arachnids, horseshoe crabs and others). Although it is similar in most respects to an abdomen (and is often referred to as such), the opisthosoma is differentiated by its inclusion of the respiratory organs (book lungs or book gills) and the heart.

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更新时间:2025/6/19 2:46:49