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.
以后随着各器官的发育，原始脉管网逐渐分化成与器官联系的许多血管丛和淋巴管丛。
With the development of various organs after vascular network, the original organ connection with the gradual differentiation into many blood and lymphatic plexus.
在原始阶段，动脉、静脉和淋巴管的结构是没有区别的，只有在以后才形成供应血管(动脉)，引流血管(静脉)和淋巴管。
In primitive stage, arteries and veins and lymphatic structure is not a difference, only after the formation in the supply of blood vessels artery, drainage vein and lymph vessels .
从进化的角度指出中医学的脾胃为后天之本的理论的合理性，阐明了毛细血管是脾 藏在进化上的原始存在形式之一。
From evolution, it points out the reasonability of spleen and stomach being the postnatal base in TCM, and expounds that capillary is one of the primary existent forms of spleen in evolution.
从进化的角度指出中医学的脾胃为后天之本的理论的合理性，阐明了毛细血管是脾 藏在进化上的原始存在形式之一。
From evolution, it points out the reasonability of spleen and stomach being the postnatal base in TCM, and expounds that capillary is one of the primary existent forms of spleen in evolution.
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