It causes arterial and venous thrombosis.

它会导致动和血栓形成。

The subdural space plays a major role in venous blood drainage in the brain.

硬膜下隙在大脑流中起重要作用。

Since the circulatory system is a closed loop, cardiac output and venous return are equal.

由于循环系统是闭环，心输出量和流血量是相等的。

Protein C or S deficiency is commonly asymptomatic, but symptoms arise when a venous thromboembolism develops.

蛋白C和S缺乏症患者一般无临床症状，当血栓栓塞时可出现症状。

The chylomicrons slowly make their way up into the thoracic duct and get dumped into the venous blood.

乳糜微粒缓慢地上行进入胸导管，并被注入血。

Symptoms of venous thromboembolism include pain similar to a muscle cramp, and swelling in the affected leg.

血栓栓塞的症状包括类似肌肉痉挛的疼痛以及患侧腿部肿胀。

Even partial compression of the superior vena cava can cause the venous pressure behind the obstruction to increase.

局部压迫上腔甚至能造成阻断后方的压升高。

Now, the portal venous system comprises of the portal vein and its tributaries, namely the Splenic and Mesenteric veins.

系统由和其支流组成，包括脾和肠系膜。

Eventually, the blood in the venous sinuses drains into the internal jugular vein and returns to the heart.

最终，窦中的血流流至颈内，流至心脏。

Beta-blockers like propranolol can decrease portal venous pressure and prevent complications.

诸如心得安之类的β受体阻滞剂可以降低压力，并预防并发症。

My withered, arthritic, venous hand with a portrait of life painted on its back.

我枯萎、患有关节炎、曲张的手，手背上画着一幅生命的肖像。

Diagnosis is done mainly by hepatic venous pressure gradient measurement.

诊断主要通过测量肝压力梯度来完成。

Venous blood oozes its way back.

所以血缓慢地流心脏。

The round ligament stay shut because pressures in the portal venous system and the systemic venous system are the same under 12 mmHg.

圆韧带保持关闭状态，这是因为系统里的血压和体系统的血压都同样是低于12mmHg的。

Breathing is one of the mechanisms that facilitate venous return.

呼吸是促进流的机制之一。

Most people present with venous thromboembolism, where a blood clot of the leg veins or lung circulation is most common.

大部分患者会出现血栓栓塞，最常见的是在腿部及肺循环中形成血栓。

A decrease in right atrial pressure leads to an increase in venous return, and vice versa.

右心房压力降低导致流增加，反之亦然。

Here, venous blood warmed up by the shark's working muscles passes right next to arteries carrying cold, oxygen-rich blood from the gills.

称之为细网在这里，被工作肌群变暖的血。

That's because more body weight means more pressure on your legs, and higher blood pressure in your veins--called venous hypertension.

那是因为更多的体重意味着更多的腿部压力，以及更高的血压——称为高压症。

When this happens, venous blood accumulates in the hepatic portal system, causing pressure to rise above 12 mmHg, which defines portal hypertension.

当这种情况发生时，血会在肝系统里蓄积，导致压力上升到12mHg以上，这就是高压症的定义。