Spider skeleton.

Arachnomaniac19

Arachnolord
Joined
Aug 23, 2014
Messages
654
Just wondering if anyone has more info on spider endoskeletons. All I've found is that it's made out of cartilage.
 

schmiggle

Arachnoprince
Active Member
Joined
Nov 3, 2013
Messages
1,925
They're mostly sets sites for the attachment of muscles, and like the exoskeleton are part of the body wall, though the exoskeleton is an infolding of it. The cephalothorax has a piece that seems to do something different, and the abdomen has a piece that used to attach to muscles (I bet it still does in earlier arachnids, especially scorpions).
 
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