tiny bones
- ossiclesMinute skeletal structures
- vertebraeInterlocking bones of spine
- delicateEasily broken or harmed
- fragileEasily broken or damaged
- skeletonInternal supportive framework
cartilage · marrow · calcium · fossil · bird · fish · inner ear · hammer · anvil · stirrup · metatarsal · phalanges · wishbone · joints · knuckles · sacrum · coccyx · splinter