二氧化碳的累积造成脑部血管扩张，导致头痛。
The buildup of carbon dioxide causes blood vessels in the brain to dilate, resulting in headaches.
它会引起血管扩张，血液流动加快并且能自由到达所需部位。
It causes blood vessels to expand. Blood flows faster and freely to the areas needed.
雌激素可使动脉血管扩张，含氧量高的血液得以流向胎儿。
Oestrogen helps to keep open the artery carrying oxygen-rich blood to the foetus.
毛细血管扩张把更多氧气送入肌肉中并带走排泄物，如二氧化碳和乳酸。
Your small blood vessels (capillaries) will widen to deliver more oxygen to your muscles and carry away waste products, such as carbon dioxide and lactic acid.
食道血管扩张（曲张）后破裂，造成大出血。
Rupture of dilated esophageal blood vessels ( varices) causing massive bleeding.
电损伤释放的局部物质引起血管扩张和增加小血管的通透性。
Local substances released by injury produce vasodilatation and increased small vessel permeability.
众所周知，使血管扩张的物质，如酒精，可以导致血管性头痛。
It is known that substances that dilate blood vessels, like alcohol, can cause vascular headaches.
高可可脂的巧克力含有多酚，研究表明可以使血管扩张、降低血压。
High-cocoa chocolate contains compounds called polyphenols, which research shows may keep blood vessels dilated and help lower blood pressure.
或是疤痕样表面光滑的纤维样斑，无明显毛细血管扩张、溃疡及隆起。
Or it is the fiber appearance spot with scar shape smooth face without dilate of apparent blood capillary ulcer and apophysis.
显微镜下，左侧受累的脑膜上可见嗜中性粒细胞渗出，并有明显的血管扩张。
Microscopically, a neutrophilic exudate is seen involving the meninges at the left, with prominent dilated vessels.
研究中全部25名患者均服用钙通道阻滞剂，其中18名同时服用其它血管扩张剂。
Of the 25 patients studied, all were receiving calcium channel blockers and 18 were also taking other vasodilators.
当一个健康人在紧张时，神经系统会激发血管扩张，使血液循环增加，以满足身体的需要。
In a healthy person who is under stress, the nervous system triggers a widening in the blood vessels so that blood circulation increases to meet the body's needs.
研究人员发现，当人们聆听他们喜爱的音乐时，血管就会扩张，跟大笑和服用血管扩张药物的效果相仿。
They found that when people listened to their favorite music, their blood vessels dilated in much the same way as when laughing, or taking blood medications.
近十年前的研究表明，许多动物事实上利用硫化氢来扩张血管。产生血流扩张的化学物质被称作血管扩张剂。
Research early this decade revealed that many animals actually use hydrogen sulfide to help expand blood vessels. Chemicals that create these expansions in blood flow are called vasodilators.
由这些细胞释放出的组胺导致小血管扩张，引起众所周知的症状，比如搔痒、口腔肿胀、皮疹、鼻子发痒或流鼻涕，或腹泻。
Histamine released by these cells causes small blood vessels to dilate, giving rise to the well-known symptoms such as itching and swelling in the mouth, skin rash, itchy or runny nose or diarrhoea.
一项研究表明，一天喝4杯茶的人，只要4周以后就会使通向心脏的血管扩张，使血液流动更畅，从而减少生病的危险。
In one study, those who sipped a cup of tea four times a day for just four weeks widened the blood vessels that lead to the heart, making for better blood flow and less risk of disease.
根据日本研究者的说法，菠菜富含镁元素，能够有效扩张血管。
Spinach is a potent source of magnesium, which helps dilate blood vessels, according to Japanese researchers.
如同生日派对上的气球，健康的血管很柔韧，整天都会根据需要扩张或收缩。
Like birthday party balloons, healthy blood vessels are flexible, widening and narrowing as needed throughout the day.
红葡萄酒有助于扩张血管。
例如，肺部和心脏肌肉扩张不太成功，血管变得越来越僵硬，韧带和肌腱收紧。
For example, the lungs and the heart muscle expand less successfully, the blood vessels become increasingly rigid, and the ligaments and tendons tighten.
有些药品声称能扩张血管，但并没有明确证据表明它真的能明显地做到这一点，并使病人的生活质量上升。
Claims are made for some tablets that dilate the blood vessels but there is little evidence that they make a significant difference, enough to improve the quality of life.
检查时可发现该肿瘤有如下特征：无痛性结节，表面光亮呈蜡样，质硬不活动，有珍珠般光泽，边缘卷曲且有小的扩张血管。
On examination the tumor may have the following characteristics: painless nodule, shiny and waxy, indurated, firm and immobile, pearly, rolled border, and small telangiectatic vessels.
这也是为什么红酒也会引发头痛，红酒也含有酪胺，而同时红酒还有扩张大脑血管的功能，这也会加重头痛。
That's why red wine is also a trigger. It contains tyramine and also it dilates blood vessels in the brain which can actually compound the problem.
通过扩张深入组织的动脉血管，一氧化氮增加了流向组织的血液。
Nitric oxide increases the flow of blood to tissues by dilating the arteries that penetrate those tissues.
减少血管壁的过分扩张和损害的风险。
Reducing your risk of your vascular walls becoming overstretched and injured.
他发现在扩张血管方面补充了一氧化氮的血液和新鲜血液一样有效。
He found that old blood replenished with nitric oxide is as good as fresh blood at relaxing blood vessels.
他发现在扩张血管方面补充了一氧化氮的血液和新鲜血液一样有效。
He found that old blood replenished with nitric oxide is as good as fresh blood at relaxing blood vessels.
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