当增强CT显示血管扩张、迂曲而血管增多的肠系膜和广泛分布的直小血管，产生梳征。
When contrast-enhanced CT depicts hypervascularity of the mesentery with vascular dilatation, tortuosity, and wide spacing of the vasa recta , the comb sign is produced.
针尖斜面向左静脉直刺法，对局部组织、血管损伤小，疼痛反应轻微，静脉穿刺并发症发生率低。
Conclusion: By adopting needle tip towards left venepuncture, patients had less injury of the local tissue and blood vessel, less pain reaction, and lower complications rate.
增强磁共振血管成像显示由尺动脉发出的食指固有动脉（直箭头）朝着指尖小的强化病灶（弯箭头）。
Contrast-enhanced MR angiogram shows the proper digital vessels, with the ulnar artery to the second digit (straight arrow) coursing toward a small enhancing lesion in the fingertip (curved arrow).
而在肾组织中PD GFA与IGF1的表达均主要集中在远曲小管、远直小管上皮细胞及肾小球毛细血管上皮细胞。
The expression of PDGF a was mainly found in the renal distal tubule and epithelial cells of distal straight tubule and glomerulus capillary, but IGF 1 in transplanting artery equal expressed.
而在肾组织中PD GFA与IGF1的表达均主要集中在远曲小管、远直小管上皮细胞及肾小球毛细血管上皮细胞。
The expression of PDGF a was mainly found in the renal distal tubule and epithelial cells of distal straight tubule and glomerulus capillary, but IGF 1 in transplanting artery equal expressed.
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