... Development and Survival of Lymphocytes 275 -- PART IV THE ADAPTIVE IMMUNE RESPONSE -- Chapter 9 T Cell-Mediated ... ... 1-9 Lymphocytes activated by antigen give rise to clones of antigen-specific effector cells that mediate ... ... or cell death intervenes. 304 -- Summary. 305 -- Positive and negative selection of T cells. 305 -- ... ... positive selection of developing thymocytes. 310 -- 8-20 T cells that react strongly with ubiquitous ... ... immune responses. 498 -- 12-19 Other eukaryotic parasites provoke protective immunity and pathology ...

... Cells Undergo Positive and Negative Selection • Positive Selection Ensures MHC Restriction • Negative ... ... Selection (Central Tolerance) Ensures Self-Tolerance • The Selection Paradox: Why Don\'t We Delete ... ... All Cells We Positively Select? ... ... the Response to T-lndependent Antigens 423 -- Negative Signaling through CD22 Balances Positive BCR-Mediated ... ... Infections 654 • Protozoan Parasites Are a Diverse Set of Unicellular Eukaryotes 654 • Parasitic ...

... across a membrane 147 -- Osmosis is the passive transport of water 148 -- Cell survival depends on balancing ... ... water uptake and loss 149 -- Specific proteins facilitate the passive transport of selected solutes ... ... 403 -- The Origin of Species developed two main points: the occurrence of evolution and natural selection ... ... 425 -- Natural selection is the mechanism of adaptive evolution 430 -- Does evolution fashion perfect ... ... xylem sap depends mainly on transpiration and the physical properties of water 699 -- Guard cells mediate ...

... Interstitial Fluid, 105 Alterations in Water Movement, 105 Edema, 105 Sodium, Chloride, and Water Balance ... ... , 108 Sodium and Chloride Balance, 108 Water Balance, 109 Alterations in Sodium, Chloride, and Water ... ... in Potassium, Calcium, Phosphate, and Magnesium Balance, 114 xvii xviii -- CONTENTS -- Potassium, 114 ... ... Calcium and Phosphate, 119 Magnesium, 122 Acid-Base Balance, 122 Hydrogen Ion and pH, 122 Buffer Systems ... ... McCance General Characteristics of Adaptive Immunity, 225 Humoral and Cell-Mediated Immunity, 226 Active ...