Their retinal cells are also not excessively sensitive to red components of moderately bright light.
它们的视网膜细胞对中等亮度光线中的红色成分也不太敏感。
Psychologists of the Gestalt school maintain that objects are recognized as wholes in a parallel procedure: the internal representation is matched with the retinal image in a single operation.
格式塔学派的心理学家认为,物体是在一个平行的过程中被识别为整体的:在一个单一的操作中,内部表征与视网膜图像匹配。
These early plants probably used something called retinal, which is a dark purple color.
这些早期的植物可能使用了一种叫做视黄醛的东西,它是一种深紫色的分子。
It also has movement-sensitive cells and cells tuned to particular retinal disparities.
它还具有运动敏感细胞和针对特定视网膜差异的细胞。
Cystic degeneration was also found at the ora Serrata related to the retinal hole in 7 eyes of 12 patients.
在12例患者的7只眼中,在与视网膜裂孔有关的口锯缘中也发现了囊性变性。
It is the most common type of retinal detachment, ahead of tractional and exudative.
这是视网膜脱离最常见的一种类型,比牵拉性和渗出性的病例多发。
They received a shot of genes near their retinal cells to repair their light receptors.
他们接受了视网膜细胞附近的基因注射,以帮助修补他们的光受体。
Shaking violence can include bleeding and swelling in the brain and retinal hemorrhages.
剧烈的摇晃会导致脑出血或者肿胀以及视网膜出血。
Other complications are rare but can include swelling of the macula and retinal detachment.
其它的并发症相当罕见,但也可以出现黄斑水肿以及视网膜脱落等并发症。
Like the retinal fovea this part of the star has the highest density of sensory nerve endings.
就像视网膜中央窝,星鼻的这个部分拥有密度最高的感觉神经末梢。
Oxidative stress leads to retinal diseases like age-related macular degeneration (AMD) and glaucoma.
氧化压力导致视网膜的疾病,像年龄相关性黄斑变性(amd)和青光眼。
People with pathological myopia who have cataract surgery are at higher risk for retinal detachment.
行白内障手术的病人若同时患有病理性近视,则其发生视网膜脱离的风险将更大。
Turns out that depressed people have much lower retinal responses-even if they're on antidepressants.
结果表明抑郁症患者的视网膜反应比正常人慢很多,即使他们正使用抗抑郁剂。
Further analysis of this one kind of retinal cell revealed that it fired only when an object approached.
进一步的分析表明,只有物体靠近时,这种视网膜细胞才会被激活。
There are several different ways to build a retinal implant, but all of them use the same underlying mechanism.
制造视网膜植入设备的方式是多种多样的,但是,这些方式使用的潜在机理却都是相同的。
Glaucoma, the second-leading cause of blindness, develops when pressure builds inside the eye and damages retinal cells.
青光眼(绿内障)是致人失明的第二大原因,当眼内压增大时发病,并最终破坏视网膜细胞。
In vertebrates this protein is found in retinal cells, where it transduces the energy of light into a nerve signal to the brain.
在脊椎动物中这个蛋白主要存在于视网膜细胞中,在那里它将光能转化为传入大脑的神经信号。
This retinal system means sharks are able to tell between shades of grey but, most probably, not between colors, say the investigators.
研究人员表示,这样一种视网膜结构意味着,鲨鱼能够分辨灰色的不同阴影,但很有可能无法分辨各种颜色。
The device — known as a subretinal implant — sits underneath the retina, directly replacing light receptors lost in retinal degeneration.
这项装置,名为视网膜下植入元件,位于视网膜下部,可以直接取代视网膜退化失去的光受体而发挥作用。
Now retinal implants are at a similar point, as the first such device is about to be granted clinical approval in Europe and will then go on sale.
如今,第一个人视网膜植入设备即将在欧洲获得临床准入资格并且上架销售,与当年的耳蜗植入设备境况相同。
Below the RPE are the capillaries that form the retina's blood supply, but between blood and RPE is a thin layer called the blood-retinal barrier.
RPE下面是为视网膜提供血液的毛细管,血液和RPE之间的薄层叫做血视网膜屏障。
Underneath is a layer of supporting cells called the retinal pigmented epithelium, or RPE, which nourish the photoreceptors and clean up their waste.
接着下面是起支持作用的细胞层,叫做视网膜色素上皮(RPE),它给感光层供给营养并清理其废料。
Medical technology: the first commercial retinal implant is about to go on sale. It may be crude, but so were the first cochlear implants, 26 years ago.
医学技术:第一个商业视网膜植入设备即将上市。也许它还很不完善,如同26年前的第一个耳蜗植入设备一样。
When your eyes move, they shift the retinal images of the white/black edges in the pattern, activating the motion-sensitive neurons in your visual cortex.
当目光移动时,模式中的白色和黑色边缘在视网膜上漂移,刺激了大脑皮层敏感的视神经元。
In the case of Leber's congenital amaurosis, viruses carrying the correct gene can be injected directly into the retina where they will infect retinal cells.
在利伯氏黑蒙的病例中,携带正常基因的病毒载体可以被直接注入视网膜而感染视网膜细胞。
Stem cell research is considered promising, although far from producing results, and other studies involve a light-responding protein and retinal transplants.
干细胞研究虽然尚未取得成果,但人们却认为前景很好。其它的研究还包括了光反应蛋白质和视网膜移植。
But on closer examination, there may be subtle clues pointing to hidden injuries, such as bruising, retinal haemorrhages or fractures of the ribs or other bones.
但经更仔细检查,可能会发现一些细微的线索表明有隐藏的损伤,如青肿、视网膜出血或者肋骨或其它骨头骨折等。
Researchers in Australia, using a technique called micro-spectrophotometry, looked at the retinal cells of 17 species of shark caught off Queensland and Western Australia.
澳大利亚的研究人员利用一种称为显微分光光度测定法的技术对捕自昆士兰和西澳大利亚外海的17种鲨鱼的视网膜进行了观察。
“It's almost unbelievable that it's coming to market,” he says. “Very few people would have expected that there could be an artificial retinal device on the market by 2011.
“真不能相信它就要进入市场了”他说,“非常少的人会想到视网膜植入设备2011年就会出现在市场上。”
“It's almost unbelievable that it's coming to market,” he says. “Very few people would have expected that there could be an artificial retinal device on the market by 2011.
“真不能相信它就要进入市场了”他说,“非常少的人会想到视网膜植入设备2011年就会出现在市场上。”
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