光镜下观察肠神经丛的分布，肠壁肌层sy免疫活性纤维的分布。

SY-immunoreactive nerve fibers in the bowel layers were graded under optical microscope.

youdao

光镜下观察肠神经丛的分布，肠壁肌层sy免疫活性纤维的分布。

SY-immunoreactive nerve fibers in the bowel layers were graded under optical microscope.

youdao