Importantly, the area postrema lacks a blood-brain barrier, which means it can detect toxins in the bloodstream and cerebrospinal fluid.
它在脑中被氧化,无法返穿血脑屏障,从而使汞得以蓄积。
It is oxidized in the brain, so that it cannot re-cross the blood-brain barrier, allowing for accumulation of mercury.
例如,如果患者服用药丸,药物必须通过消化系统,肝脏和血脑屏障。
For example, if a patient takes a pill, the drug must make its way through the digestive system, the liver and the blood-brain barrier.
这些检查点抑制剂与可生物降解的聚合物连接到蛋白质或肽上,使药物能够穿过血脑屏障。
Those checkpoint inhibitors are attached with a biodegradable polymer to a protein or peptide that enables the drug to traverse the blood-brain barrier.
他们利用这些特殊细胞制造神经元,血管衬里和支持细胞,共同构成血脑屏障。
They used these special cells to make neurons, blood-vessel linings and support cells that together make up the blood-brain barrier.
它们可以在体内自由旅行,跨越几乎每一道屏障,包括血脑屏障--这可以阻止大多数药物。
They can travel freely in the body, crossing almost every barrier, including the blood-brain barrier- which stops most drugs.
这些障碍包括固有的运载系统denovo免疫和神经系统的功能障碍和扰动的血脑屏障功能等毒性。
Such obstacles include the toxicities inherent in the delivery systems de novo such as immuno- and neurological dysfunctions and perturbations of blood-brain barrier function.
纳米微粒能够穿过人体的自然屏障和保护机制,包括肠胃系统、皮肤、肺和血脑屏障。
Nanoparticles can pass through the natural barriers and protective mechanisms of the human body, inclu- ding the gastrointestinal system, skin, lungs and the blood-brain barrier.
咖啡因穿过血脑屏障,旨在将大脑与血液分开。
Caffeine crosses the blood-brain-barrier, which is designed to separate the brain from the bloodstream.
这些活细胞很快就形成了血脑屏障的功能单元,其功能与人体一样,包括阻止某些药物进入。
The living cells formed a functioning unit of a blood-brain barrier that act as it does in the body, including blocking entry of certain drugs.
当研究人员人工移除周细胞时,他们发现血脑屏障迅速退化,血流减慢,脑细胞减少。
When researchers artificially removed pericytes, they saw rapid degeneration of the blood-brain barrier, a slowdown of blood flow and the loss of brain cells.
在血液中,它可以作为血脑屏障,维持压力激素与大脑之间的健康互动。
In the bloodstream, it can act as a blood-brain barrier to maintain a healthy interaction between stress hormones and the brain.
高胆固醇很可能就是通过破坏血脑屏障保护性成为一个老年痴呆症危险因素”。
High levels of cholesterol are a risk factor for Alzheimer's disease, perhaps by compromising the protective nature of the blood-brain barrier.
暂时打开血脑屏障是控制神经回路的三管齐下策略的第一步。
The temporary opening of the blood-brain barrier is the first step in the new three-pronged strategy for controlling neural circuits.
通过超声定位的区域血脑屏障,团队可以使用基因疗法。
With the blood-brain barrier open in the region targeted by ultrasound, the team can then use gene therapy.
最后寄生虫通过了血脑屏障,这会让你发疯,你无法控制自己的肌肉,接踵而至的便是死亡。
Eventually, when the parasites cross the blood-brain barrier, you lose your mind, you can't control your muscles, and then you lose your life.
While Gleevec works in CML, it does not cross the blood-brain barrier so it would not be useful.
这是因为血脑屏障、大脑和脊髓中的小血管会保护大脑免受有害物质的伤害。
This is because of the blood-brain barrier, small blood vessels in the brain and spinal cord that protect the brain from harmful substances.
虾青素的一个真实特性是它能穿越血脑屏障和血液-视网膜屏障,以保护大脑和眼睛的能力。
One of the real special attributes of astaxanthin is its ability to cross the blood-brain and blood-retinal barrier to protect both the brain and eyes.
首先,它无法达到目标,因为它被血脑屏障(一种保护大脑免受血液中毒素影响的微观结构)所阻挡。
First, it can't reach its target because it's blocked by the blood-brain barrier, a microscopic structure that protects the brain from toxins in the blood.
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