Research Article
Three-Dimensional Morphological Characteristics of Lower Lumbar Intervertebral Foramen with Age
Figure 3
The results of P-SAP, IPV-SAP, and P-IV when grouped with different sagittal slices in males. entrance: entrance slice of intervertebral foramen; exit: exit slice of intervertebral foramen; middle slice: the sagittal slice between the entrance and exit.