| 单词 | Permeability,Capillary |
| 释义 | Permeability,Capillary《英文msh词典》Permeability,Capillary [同义词] Permeability,Capillary [主题词] Capillary Permeability [中文释义] 通透性,毛细血管 [英文释义] The property of blood capillary vessels ENDOTHELIUM that allows for the selective exchange of substances between the blood and surrounding tissues and through membranous barriers such as the BLOOD-AIR BARRIER; BLOOD-AQUEOUS BARRIER; BLOOD-BRAIN BARRIER; BLOOD-RETINAL BARRIER; and BLOOD-TESTIS BARRIER. Small lipid-soluble molecules such as carbon dioxide and oxygen move freely by diffusion. Water and water-soluble molecules cannot pass through the endothelial walls and are dependent on microscopic pores. These pores show narrow areas (TIGHT JUNCTIONS) which may limit large molecule movement. |
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