Objective To observe morphologic structure of human lymphatic vessels in colon carcinoma, discuss the mechanism of lymphatic metastasis.
目的观察人结肠癌淋巴管的形态结构，探讨淋巴道转移机制。
The Morphologic structure was studied by means of SEM. Results indicate, the toughness of blends is raised when TPU content is increased;
结果表明 ，共混物的韧性随 TPU含量的增加而增加且聚酯型的改性效果优于聚醚型 ；
Overshadow affects grass on anatomy, morphologic structure, absorption and accumulation of nourishment and physiological action, even affects the growth of the grass.
遮荫影响草坪草的解剖结构、形态结构、营养吸收积累及生理活动，进而影响草坪草的生长发育。
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