不足的供血加速了疲劳，提高了受伤的风险。
An insufficient blood supply accelerates fatigue and increases the risk of injury.
周围末梢动脉血管疾病——手臂和腿供血血管的疾病。
Peripheral arterial disease - disease of blood vessels supplying the arms and legs.
如不治疗，疟疾可能中断对维持生命的重要器官的供血，从而迅速威胁生命。
If not treated, malaria can quickly become life-threatening by disrupting the blood supply to vital organs.
中风发生的时候大脑局部供血被阻断或严重减少，使得脑组织缺乏氧气和营养物质。
A stroke occurs when the blood supply to part of the brain is interrupted or severely reduced, depriving brain tissue of oxygen and nutrients.
中风是由于出现血栓从而阻碍了大脑供血，在英国每天有近200人死于中风。
Strokes, which are usually caused when a clot forms and blocks the blood supply to the brain, kill around 200 people every day in the UK.
心脏病是由向心肌供血的血管堵塞引起的。
A heart attack is caused by a blockage in the blood vessels that supply the blood to the heart muscle.
中风是一种很严重的疾病，由脑供血不足引发。
A stroke is a serious illness that occurs when blood flow to an area of the brain is cut off.
这一变化首先涉及给大脑供血的动脉血管的收缩。
The pattern involves initially a constriction of the arteries that feed the brain.
这样，有一广泛的动脉网向肠供血，使其很难梗死。
Thus, there is an extensive anastomosing arterial blood supply to the bowel, making it more difficult to infarct.
血管造影表现为颈动脉受压、移位，肿瘤供血血管显示。
Angiography demonstrated displacement of the carotid artery and supplying vessels of the tumours.
心脏病发作是由供血的一个或多个冠状动脉阻塞所引起的。
Heart attacks are caused by the blockage of one or more of the coronary arteries that supply blood to the heart.
视神经主要由垂体上前动脉供血，半数有分支沿视神经前行。
Optic nerve was mainly supported by superior anterior hypophyseal artery.
目的：探讨肿瘤供血动脉栓塞术治疗宫颈癌急性大出血及反复出血的疗效。
Objective: To assess the clinical effects of embolization of pelvic artery of tumor on advanced cervical cancer with acute massive bleeding or recurrence bleeding.
但是，大约70%早期HCC中，其CT经动脉门脉造影显示门脉供血减少。
But around 70% of early HCC shows decreased portal supply on CT arterial portography.
新型的组合型设备同时还可以控制流经心脏的血液的流动，提升心脏的供血能力。
Newer combination devices also control how blood moves through the heart, improving pumping capacity.
目的探讨老年椎 基底动脉供血不足性眩晕患者眼震电图的改变及其临床意义。
Objective To explore the electronystagmography (ENG) changes and their clinical significance in aged patients with vertebro-basilar insufficiency (VBI).
另一项证据就是，如果长颈恐龙一直竖直地昂着脖子，由于脑部供血不足，它们会经常晕倒的。
Added to it is evidence that long-necked dinosaurs would have fainted all of the time if they held their necks vertically due to a lack of blood flow to their brains.
颈动脉是头颈部供血的主要通路，颈动脉杂音是血液流过颈动脉狭窄所产生的声音。
A carotid bruit is a sound that blood makes when it passes over an obstruction in the carotid artery, the main passageway for supplying blood to the head and neck.
大多数的心脏病发生原因都是由于血栓堵塞了心脏供血和氧的血管而引发的冠脉疾病。
Most heart attacks are caused by coronary-artery disease, which occurs when a blood clot blocks blood and oxygen flow in a blood vessel leading to the heart.
O型血的人只能接受O型血，但O型血的人却是万能供血者，因为O型血可以被所有血型的人接受。
Blood type o can receive only o blood but are "universal donors" because o is acceptable to all other blood types.
结果：胎儿脐动脉血流频谱曲线出现不规则图像时，有可能提示胎儿已有供血供氧不足的现象存在。
Results: the existence of the phenomenon of the deficiency in both blood and oxygen of the fetus when the irregular image of the fetus umbilical artery blood flow spectrum curve emerged.
法国外科医生亚历克西斯·卡雷尔发明了一种通过缝合受血者静脉和供血者动脉来防止凝血的方法。
French surgeon Alexis Carrel devises a way to prevent clotting by sewing the vein of the recipient directly to the artery of the donor.
当猴子看到笑脸时，为其脑部视觉部分的神经细胞供血的血管会短暂隆起，其隆起模式与看到的图案惊人的一致。
As the monkey looked at the face, blood vessels supplying nerve cells in the visual part of the monkey's brain transiently swelled in exactly the same pattern.
罗伯特·波义尔就是其中之一，他提出一个问题“受体动物的毛发或羽毛……是否会变成供血动物的颜色呢？”
Robert Boyle, for one, voiced the question of "Whether the colour of the hair or feathers of the recipient animal... will be changed into that of the emittent?"
血液来源或血液HIV状况不明会引发其他许多问题，因此确认血液来源及对供血者进行HIV检测丝毫不能松懈。
Additional problems arise when the source or HIV status of blood is unknown, but identification of the source and testing of that person for HIV infection should be vigorously pursued.
这是由于心脏为身体供血的效率提高了，在休息时心脏每搏动一次可以泵送更多血液，所以每分钟需要搏动的次数减少。
This is due to the heart getting more efficient at pumping blood around the body, so at rest more blood can be pumped around with each beat, therefore less beats per minute are needed.
这是由于心脏为身体供血的效率提高了，在休息时心脏每搏动一次可以泵送更多血液，所以每分钟需要搏动的次数减少。
This is due to the heart getting more efficient at pumping blood around the body, so at rest more blood can be pumped around with each beat, therefore less beats per minute are needed.
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