Linked from
The 15 pages that link to Opisthosoma, each with the reason it gives.
ArachnidBroader topic: Its form and segmentation vary widely among arachnid groups.
SpinneretBroader topic: The spinnerets are typically attached to its rear underside.
Spider anatomyBroader topic: This abdomen houses many organs absent from the cephalothorax.
UropygiBroader topic: The flagellum and spray glands are associated with this body region.