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endoskeleton
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exoskeleton
1
bony case of the brain(expression, system, bone, skeleton)
13 years ago|20 views|share |citing 
APASmart Define. (2013). skeletal system thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/skeletal_system/thesaurus/narrower
ChicagoSmart Define. 2013. "skeletal system thesaurus" https://smartdefine.org/skeletal_system/thesaurus/narrower (accessed September 23, 2026).
HarvardSmart Define 2013, skeletal system thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/skeletal_system/thesaurus/narrower>.
MLASmart Define. "skeletal system thesaurus" 18 May 2013. Web. 23 September 2026. <https://smartdefine.org/skeletal_system/thesaurus/narrower>