Chapter 21.1, Problem 12AYLO

Summary Introduction

To discuss:

The location, gross anatomy, and histology of the thymus; the functional difference between its cortex and medulla; the functions of its epithelial cells; and the necessity of the thymus to immunity.

Introduction:

The lymphatic system consists of a group of cells or immune cells that inhabit in all the organs of the body. The lymphatic system includes lymphatic organs and group of lymphatic tissues involved in the immune system. The lymphatic organs include spleen, tonsils, thymus, lymph nodes, and red bone marrow. Spleen and red bone marrow are the primary lymphatic organs, whereas secondary lymphatic organs include lymph nodes, tonsils, and thymus.