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.

XC-112
XC-135
RX-104N
XC-130C
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