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| Russian | English |
| низшие позвоночные | lower vertebrates (wikipedia.org JIZM) |
| позвоночный столб | vertebral column (The vertebral column, also known as the spinal column, is the central axis of the skeleton in all vertebrates. The vertebral column provides attachments to muscles, supports the trunk, protects the spinal cord and nerve roots and serves as a site for haemopoiesis.) |