(3)Osmotic Pressure(渗透压): 溶质具有吸引水分子透过半透膜的力量 The osmotic pressure of a solution depends on the number of solute particles in the solution,not on there chemical composition and size. classification Crystalloid osmotic pressure(晶体渗透压):pressure generated by all crystal substances,particularly electrolytes.770KPa Colloid osmotic pressure(胶体渗透压):pressure generated by plasma proteins,particularly albumin
溶质具有吸引水分子透过半透膜的力量 The osmotic pressure of a solution depends on the number of solute particles in the solution, not on there chemical composition and size. classification: Crystalloid osmotic pressure(晶体渗透压): pressure generated by all crystal substances, particularly electrolytes. 770KPa (3)Osmotic Pressure(渗透压): Colloid osmotic pressure(胶体渗透压): pressure generated by plasma proteins, particularly albumin
渗透压的作用 晶体渗透压维持细胞内外水的平衡 胶体渗透压维持血管内外水的平衡 血浆晶体渗透压 血浆中晶体物质形成的参透压。 作用:保持细胞内外的水平衡衡 0.25 M Sucrose 0.25 M Urea .0.25MS 0.25MS 0.25Ms H20 0.5 M Sucrose 0.5MS H20 H20
渗透压的作用 晶体渗透压维持细胞内外水的平衡 胶体渗透压维持血管内外水的平衡 血浆晶体渗透压 血浆中晶体物质形成的渗透压。 作用:保持细胞内外的水平衡
(4)pH Normal range:pH7.35~7.45 pH<7.35=酸中毒;pH>7.45=碱中毒; pH<6.9or>7.8,危及生命。 Buffer system: 红细胞缓冲对:KHb/HHb,KHbO2/HHbO2 血浆缓冲对:NaHC03/H2CO3,Na2 HPO NaH2PO4, 蛋白质钠盐/蛋白质
(4)pH Normal range:pH为7.35~7.45• pH<7.35=酸中毒;pH>7.45=碱中毒; pH<6.9 or >7.8,危及生命。 Buffer system: 红细胞缓冲对:KHb/HHb, KHbO2 /HHbO2 血浆缓冲对:NaHC03/H2CO3 , Na2HPO4NaH2PO4, 蛋白质钠盐/蛋白质
Function of blood (1)Transportation 02 and CO2 Nutrients(glucose,amino acid,lipids ,etc) Waste products Hormones (2)Nutrient (3)Regulation Ph;temperature (4)Protection Blood coagulation;immunity
Function of blood (1)Transportation O2 and CO2 Nutrients(glucose,amino acid,lipids ,etc) Waste products Hormones (2) Nutrient (3)Regulation Ph;temperature (4)Protection Blood coagulation; immunity
Plasm(血浆) Composition: Water:90~92%, Proteins:6~8% Inorganic constituents(无机盐):1% Nutrients:glucose amino acid lipids ,vit Waste products: Dissolved gas:02 &CO2 Hormones
Composition: Water: 90~92%, Proteins:6~8% Inorganic constituents(无机盐):1% Nutrients:glucose amino acid lipids ,vit Waste products: Dissolved gas:O2 &CO2 Hormones Plasm(血浆)