显微镜下，取自无脑儿颅底的“脑血管区域” 包括在不规则血管增生处散在的原始神经胶质组织成分。
Microscopically, the "area cerebrovasculosa" from the base of the skull from an anencephalic consists of scattered primitive neuroglial tissue elements within an irregular vascular proliferation.
血管中层的肌纤维和外膜的结缔组织，都是从包围原始内皮细胞的间质中发育出来的。
Vessels of the outer membrane and middle muscle tissue, both from the original endothelial cells surround stroma development.
其次，在跟踪方向的计算上，将原始的基于两点的跟踪方向扩展到多点的跟踪，使得算法对于弯曲血管的跟踪更加稳定。
Then, the original tracking based on two points' direction is extended to multi-point tracking, which makes the algorithm more robust for tracking the curving vessel.
应用推荐