Med Immunology Lecture 1 (Exam 2)

collection of organs, tissues, cells, and cell products that work together to differentiate self from nonself and rid the body of nonself substances that don't belong

what is the first line of defense of the immune system?

what are four different barriers of defense of the immune system?

home of the 2nd and 3rd line of defense; network of chemicals, cells and tissues strategically distributed throughout the body

______ organs are optimized to promote efficient immune activation and regulation

secondary lymphoid organ; positioned around the body where lymphatic vessels converge

the germinal center, paracortical area (T cells), and primary lymphoid follicle (B cells) are all important structures of what?

molecules that activate, communicate, and direct immune responses

chemical mediators of inflammation are like an ______ ______ system

a chemical system of 'cellular communication'

• interleukins

• chemokines