| cartilaginous skeleton |
The part of the skeleton formed by cartilage; in the adult, the cartilage of the ribs and joints. Cartilage is more flexible and resistant to resorption due to pressure than bone.
출처:
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| cartilaginous |
This refers to any species whose structure is based on cartilage and not bone.
출처: www.sharkcove.org/school/sharkyterms.html
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