压力引起视网膜内的微血管扭结弯曲，如图中的一个箭头所示，图中的其它箭头所指为视网膜静脉内的“凹陷”，称作动静脉局部缩窄病症。
The pressure causes tiny blood vessels in the retina to kink and twist, which is pointed out by one arrow.The other arrow points to "dents" in retinal veins, a condition known as A-V nicking.
压力引起视网膜内的微血管扭结弯曲，如图中的一个箭头所示，图中的其它箭头所指为视网膜静脉内的“凹陷”，称作动静脉局部缩窄病症。
The pressure causes tiny blood vessels in the retina to kink and twist, which is pointed out by one arrow. The other arrow points to "dents" in retinal veins, a condition known as A-V nicking.
脑血管造影，表现为静脉期典型的海蛇头征，动脉期和微血管期表现正常。
On cerebral angiography, the classic "Medusa head" appearance is visualized on the venous phase, with the arterial and capillary phases normal.
结果皮瓣静脉淤血后，其原有微循环系统的状况不断恶化，进而观察到微血管新生的淤血组织最终成活。
Results the original circulation system of the flaps got worse after venous congestion, but the tissues with nascent capillaries ultimately survived.
目的探讨心肌顿抑时心肌微血管功能改变以及静脉心肌声学造影方法的价值。
Objective To observe the changes of microvascular function during myocardial stunning and the effect of assessing with myocardial contrast echocardiography(MCE).
方法：1．应用生物体视学原理和技术检测带浅静脉干的逆行皮瓣移植后早期微血管密度量的变化趋势，与不带静脉干逆行皮瓣作对照比较。
Methods:( 1 ) The morphologic changes of micrangium between the reverse-flow random flap with SVT and no SVT in different phase were observed by using optical microscopy, stereological methods.
结论通过显微血管吻合方法建立兔颈总动脉—颈外静脉动静脉瘘模型切实可行。
Conclusions Establishment of experimental common carotid artery - external jugular vein arteriovenous fistula (AVF) models in rabbits by microsurgical methods is possible.
视野不清晰，血流缓慢，颗粒状血流及血流间断、微血管袢顶及静脉淤血、微血管周围出血斑、汗腺汗珠增多。
The fields of observation were unclear, the blood stream was slow, granular and intermittent. Blood stasis was observed in the top loops of capillaries and venulae.
视野不清晰，血流缓慢，颗粒状血流及血流间断、微血管袢顶及静脉淤血、微血管周围出血斑、汗腺汗珠增多。
The fields of observation were unclear, the blood stream was slow, granular and intermittent. Blood stasis was observed in the top loops of capillaries and venulae.
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