Their rami were emitted by a large sharp angle or arc shape, and they anastomosed into meshes each other.The densities of the microvasculature were markedly higher than that of the medulla area.

• 小脑齿状核的微血管多为树根状，分支多以大锐角和弧形发出，且彼此吻合成网，其密度明显高于周围髓质区。