This is due to the presence of relatively large amounts of blood present in the embryo during this stage.
这是因为此阶段有相对大量的血出现在胚胎中。
Purpose to find out the histopathological characteristics and the significances when blood present in the human lymph node sinus.
目的：探讨人淋巴结窦内出现血液成分的组织病理学特点及其意义。
It's also present in spinal fluid and, in very small quantities, in the blood.
这种蛋白同时也出现于脊椎液中，并且极小量存在于血液里。
But it was a lifelong treatment, carrying the ever-present risk of causing blood-sugar levels to fall dangerously low.
但它是个终生的治疗方法，有着引起血糖水平危险性降低的永久风险。
This is a precursor to heparin, an important anti-clotting agent that has, at present, to be extracted from blood, rather than being synthesised.
这是肝磷脂的初期形态，一种重要的抗凝固剂，目前要获得该物质就不得不从血液中提取，而不是人工合成。
Hemophilia can be mild, moderate, or severe, depending on how much clotting factor is present in one's blood.
血友病可以是轻微、温和的，或者是剧烈的，这是根据人体血液里凝血因子的多少而定。
This is a precursor to heparin, an important anti-clotting agent that has, at present, to be extracted from blood, rather than being synthesised. Heparan sulphate is not a protein.
硫酸乙酰肝素是肝磷脂的前体，是重要的抗凝剂，目前只能从血液中提取，从未成功合成提取过，它并不是蛋白质，而是一种富硫似糖的分子，经常参与糖基化反应。
Furthermore, he warns that putting blood lacking nitric oxide into the body does not merely dilute what gas is already present in the bloodstream.
另外，他警告说，将缺乏一氧化氮的血液输入人体，不仅仅只是稀释掉血液中原有的气体。
Blood or inflammation present. Women with partially obscuring blood or inflammation should have a repeat test in six months if they meet any of the above criteria.
是否存在血液或感染。涂片有模糊血液或感染的妇女，如果复合以上条例，应该在六个月内重复检查。
Diabetes is present when too much glucose remains in the blood and does not enter cells.
当血液中存在过多的葡萄糖并且不进入细胞时，便会表现出糖尿病。
But that doesn't always work because the bacteria or virus may not be present in the blood or other easily accessible area.
但是这个方法常常不会凑效，因为病原不会总是出现在血液或者其他容易被发现的地方。
Doctors at Orlando Health System in Florida developed the new blood test. It shows if a biomarker is present in a person's blood.
佛罗里达州奥兰多卫生系统的医生开发出了这种新型的血液测试。它能显示出某人血液中是否存在某种生物标志物。
The receptors are not present on the blood vessels of any normal tissues with the exception of reproductive organs, where they are present in much lower concentrations than in tumors.
该受体在除生殖器官以外的正常组织血管中并不存在，在生殖器官中的水平也显著低于肿瘤中。
The most common blood type among patients was "O", which was present in 43.5% of asthmatics and 43.6% of controls.
患者中间最常见的血型是O型，后者见于43.5%的哮喘患者和43.6%的对照组人群。
In this paper the present and the development tendency of the filter materials which are used in the blood filtration is introduced.
介绍了血液过滤滤材的现状与发展趋势，并对其过滤机理和滤材的选取作了初步的论述。
Amgen said it would present some new evidence, including information showing that more cancer patients are now needing blood transfusions.
安进表示将提供一些新的证据，包括如今需要输血的癌症患者正在增多等信息。
The optic disc is a blind spot because no light receptor cells are present in this area of the retina where the optic nerve and retinal blood vessels leave the back of the eye.
视盘是个盲点，因为视网膜的这个区域没有光感细胞，视神经和视网膜血管从眼睛后面的这个部位伸出去。
The results identified more than 70 markers that were present in large amounts in the blood vessels of cancer tissue but not in the vessels of normal tissues.
该结果鉴别了在癌组织血管中大量存在，但在正常组织血管中不存在的70多种标记物。
This little gadget makes a good present for the elderly, for it can keep accurate track of one's blood pressure.
这个小玩意儿是送给老年人的好礼物，它能精确地跟踪血压。
Albumin is a protein that is normally present in the blood.
白蛋白是一种蛋白质，通常存在于血液中。
The tragedy film of Ki-duk Kim supplied the Korean film field that is short of mental world thought with fresh blood for the present, while his art life is companied with controversy.
金基德的悲剧电影为当前精神层面思考缺失的韩国电影提供了新鲜的血液，但是他的电影之路是伴随着争议的。
In fact, if hemorrhage were also present, he would be in real jeopardy unless he were given blood or a more effective plasma-expander than gelatin.
事实上，如果有大出血的情况，除非他获得了一个更有效的血液或血浆膨胀剂，否则他会有真正的风险。
One, known as SH virus, is present in the blood of many individuals without producing symptoms of disease.
有一种所谓SH病毒(血清性肝炎病毒)，存在于许多人的血液中而不引起症状。
The researchers, therefore, undertook an in-depth study aimed at determining if FSH receptor was present in the blood vessels of tumours.
研究人员因此进行了一项深度研究，旨在明确是否FSH受体存在于肿瘤的血管壁上。
The blood selenium content can reflect the present selenium level of human body. It has been the standard to apprise the selenium state of human.
血中硒含量能最确切地反映人体当前的硒水平，血硒水平已广泛用作评价人体硒状态的指标。
Spot blood flow signals were present on the surface of the lesion. There was no abnormal blood flow signal in the mass.
病变的基底部可探及较丰富的血流信号，表面可探及点状、带状血流信号，病变内部无异常血流信号。
The distribution range and the present situation of blood—pheasant are studies.
研究了血雉目前的分布范围以及分布现状。
At present, doctors advise people with high blood glucose levels to lose weight and exercise.
目前，医生们会建议有高血糖的人们减肥并多做运动。
At present, doctors advise people with high blood glucose levels to lose weight and exercise.
目前，医生们会建议有高血糖的人们减肥并多做运动。
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