Made of PVC.
Consist of 3 medially divided lumbar vertebrae with intervertebral discs.
For comparison, the upper section shows healthy bone structure.
The middle section shows osteoporotic bone structure and the lower section shows advanced osteoporotic bone structure with flattened plates, deformation and decreased mass.
On stand.

RX-TS21
XC-101
XC-113A
XC-104C
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