Chapter 17, Problem 10R

Summary Introduction

To review:

The phagocyte found in skin and lymphoid tissue that activate T cells.

Introduction:

The antigen presenting cells, which displays the antigenic substance, coupled with major histocompatibility molecules on their surfaces for the recognition of T cell receptors. There are some antigen presenting cells, such as dendrites, macrophages, and B cells. They presents the antigen for T helper cells to undergo the phagocytosis and cytotoxic effects.