The hypopheseal or pituitary stalk is bright because it lacks the barrier found throughout most of the brain 因为垂体柄缺乏血脑屏障结构，所以在此图像中呈亮信号。
The transportability through bbb and bioavailability of the inhibitors will be the focus by the systemafic bioassay in vivo 指出以后的工作重点是进行系统深入的生物体内评价，解决药物透过血脑屏障和生物利用度等问题。
Effect of genetic intervention of aquaporin 4 gene on the structure and function of blood - brain barrier following cerebral ischemic reperfusion in rat 水通道蛋白4基因干预对大鼠脑缺血再灌注损伤后血脑屏障形态及功能的影响
This structure , also known as the infundibulum , is often grouped with other " circumventricular organs " which share the property of being outside the blood - brain - barrier 垂体柄或漏斗与其它脑室周围器官一样有着血脑屏障外器官的特性。
There are many transporters in the blood - brain barrier with influence on the behavior of the drugs through acrossing the blood - brain barrier and different drug concentrations in the brain 摘要血脑屏障上存在多种转运蛋白，能够影响药物透过血脑屏障的行为及在脑内的分布程度。
Unfortunately , egf and fgf are large molecules that have difficulty crossing the blood - brain barrier , the meshlike network of tightly woven cells that lines the blood vessels of the brain 遗憾的是， egf与fgf是大分子，很难穿过血脑屏障（这是由许多细胞紧密交织而成的网状构造，形成脑血管的内衬） 。
Invasion of hbmec is essential to the crossing over bbb by e . coli kl . and the invasion process of e . coli to hbmec is a severe stress process . to explore the mechanisms of e . coli kl invasion 人脑微血管内皮细胞( hbmec )是构成血脑屏障的主要成分之一，体外分离培养的hbmec已被视为研究细菌穿过血脑屏障机理的理想模型。
This structure results in the capillary wall that behaves as a continuous lipid bi - layer controlling the access of solutes and toxic substances to the central nervous system ( cns ) so as to maintain brain homeostasis 脑膜炎的发病率和致死率都很高，目前认为， e coli经血源播散人脑，但其如何穿过血脑屏障，迄今尚不清楚。
Because there are few gaps between the cells , the protease inhibitors must be able to pass through the cell membranes to reach the brain tissues beyond , and most large molecules cannot breach this so - called blood - brain barrier 因为管壁细胞之间少有间隙，因此蛋白酶抑制剂必须要能够穿透细胞膜，才能够到达血管外的脑组织，而大分子大都无法冲破这层所谓的血脑屏障。
So , study of human brain microvascular endothelial cell ( hbmec ) will lead us to understand the regulative mechanism of bbb homeostasis , and pathogenesis of some cns disorders . escherichia coli k1 is the most common gram - negative pathogen of neonatal meningitis 血脑屏障主要由脑微血管内皮细胞，内皮细胞间的紧密连接，以及包绕内皮细胞的基膜和星形胶质细胞的足突组成，以严格限制致病因子及细胞进入脑内。
