MHC class II molecules are central to the adaptive immune response, serving as the means by which antigen-presenting cells, notably dendritic cells, display processed peptides to CD4+ T cells. This ...

Introduction: Carving nature at its joints, or Why birds are not dinosaurs and men are not apes -- Part I. The Interrelationships of Organisms: 1. What this book is about -- 2. Classification -- Part ...