Objective: To study morphologic features of canine thoracic and lumbar vertebrae and measure the parameters of pedicle screw placement for animal experiment and surgery.

• 摘要目的：测量幼年中国杂交犬的脊柱形态学指标及椎弓根螺钉置入的相关参数，为动物实验及动物外科提供数据。