夜盲症用英语怎么说

夜盲症用英语怎么说

问题一：“维生素A的缺乏会导致夜盲症”用英语怎么说 “维生素A的缺乏会导致夜盲症”
英文翻译
The lack of vitamin A may lead to night blindness问题二：急需高手 英语翻译！！！！ Vitamin A: Vitamin A in two ways. One is vitamin A alcohol (retionl), is the original form of vitamin A (only in animal foods); the other is carotene (carotene础, vitamin A in the body into the prefabricated material (provitaminA, can from vegetable and animal food intake);
The effectiveness of vitamin A to prevent night blindness and vision loss, help to treat a variety of diseases of the eye (the eye of vitamin A can promote the formation of light-sensitive pigment); the role of anti-respiratory infection; help the immune system is normal; the event of sickness early recovery; to maintain the health of tissue or organ surface; helps eliminate age spots; promote growth, strong bones, maintain skin, hair, teeth, gums healthy; external help for acne, pustules, boils, skin ulcers, etc. Disease treatment; helpful to emphysema, the treatment of hyperthyroidism.
The performance of vitamin A deficiency: dry eye, night blindness. Long-term absorption of fat tends to lead to a lack of vitamin A, which often occur in children under 5 years of age who, mainly because of inadequate dietary intake.
Foods rich in vitamin A: cod liver oil, liver, carrots, yellow and green vegetables, eggs, milk, dairy products, butter, yellow fruits.
Vitamin A side effect: Adult 50000 IU daily intake for several months or more will cause poisoning; care if intake 超过 18500 IU a day would lead to poisoning. Poisoning symptoms are hair loss, stomach pain, vomiting, diarrhea, rash, bone pain, phys......余下全文>>问题三：夜盲症属于什么遗传方式,为什么? 夜盲症是会有遗传的，属于X染色体隐性遗传，一般男孩得夜盲症的概率是会多一点。维生素A有能使人在暗光下看东西的功能。因为在视网膜中有一种感光物质B，也叫视紫质，是由维生素A醛与视蛋白结合而成的。它是在暗光下看东西的必需物质。在感受光线时，视紫质变为视黄质，这是一种能量的改变，它可以引起视神经兴奋。兴奋经视神经传到脑子，就有了光感，看到了东西。视紫质需不断更新再生，所以也就要不断地补充维生素A。如维生素A缺乏，供不应求，人就会丧失在暗光下看东西的能力，这就叫“夜盲症”。检查这种病儿的眼睛时，可见到结膜、角膜干燥，角膜软化，穿孔，所以也叫“干眼病”或“角膜软化症”。严重时可完全丧失视力。维生素A在乳类、蛋类、动物的肝脏中较多。黄、红、绿色蔬菜中，如胡萝卜、西红柿、南瓜、豆类及青菜中含有一种叫胡萝卜素的物质，是维生素A的前身，可在小肠内转化成维生素A。问题四：怎么可以知道自己有没有得夜盲症？ 开灯 立刻关掉 如果先眼前一片漆黑让后可以看见一点慢慢明朗 就说明没有问题五：改善夜盲症应吃什么食物? 含维生素A或类胡萝卜素丰富的食物:如动物肝脏\胡萝卜\青椒等.