正铁血红蛋白血症
正铁血红蛋白血症（Methemoglobinemia），或高铁血红蛋白症、变性血色蛋白血症、变性血红素血症、变性红血球血症、急性变性血红素症，是指因血液中异常的出现过多不能带氧的正铁血红蛋白（带Fe离子而不是Fe的血红蛋白）导致身体出现缺氧变蓝症状。若血液含正铁血蛋白份量超过一成半，便会出现病征。
methemoglobinemia
/met'hi:məu,ɡləubi'ni:miə/
英汉-汉英词典
n. 高铁血红蛋白症
词组 | 习惯用语
您要查找的是不是：
- thermodynamical 热力学
methemoglobinemia n. [内科] 高铁血红蛋白症
网络短语:
Methemoglobinemia 正铁血红蛋白血症; 高铁血红蛋白血症; 正铁血红蛋白血; 蛋白血症;
acquired methemoglobinemia 获得性正铁血红蛋白血症
primary methemoglobinemia 翻译
Hereditary methemoglobinemia 遗传性高铁血红蛋白症
toxic methemoglobinemia 中毒性高铁血红蛋白血症
Congenital methemoglobinemia 先天性高铁血红蛋白血症
secondary methemoglobinemia 翻译；继发性正铁血红蛋白血英语
methemoglobinemia a 高铁血红蛋白血症；正铁血红蛋白血
familial methemoglobinemia 家族性高铁血红蛋白症
Recessive congenital methemoglobinemia 隐性先天性高铁血红蛋白血症
英语例句库
- While methemoglobinemia clears spontaneously over several hours, hemolytic anemia may take several weeks to resolve.
高铁血红蛋白症会在几个小时后自动消失，而溶血性贫血需要几个星期才能解除。 - It is well known that the nitrate and nitrite from environment is causally related to infant methemoglobinemia and esophageal cancer.
环境中的硝酸盐暴露与婴儿高铁血红蛋白血症及食管癌的病因关联已为人们熟悉。
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中文百科
英语百科
Methemoglobinemia 正铁血红蛋白血症
Methemoglobinemia (or methaemoglobinaemia) is a disorder characterized by the presence of a higher than normal level of methemoglobin (metHb, i.e., ferric [Fe] rather than ferrous [Fe] haemoglobin) in the blood. Methemoglobin is a form of hemoglobin that contains ferric [Fe] iron and has a decreased ability to bind oxygen. However, the ferrous iron has an increased affinity for bound oxygen. The binding of oxygen to methemoglobin results in an increased affinity of oxygen to the three other heme sites (that are still ferrous) within the same tetrameric hemoglobin unit. This leads to an overall reduced ability of the red blood cell to release oxygen to tissues, with the associated oxygen–hemoglobin dissociation curve therefore shifted to the left. When methemoglobin concentration is elevated in red blood cells, tissue hypoxia can occur.
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