**Chapter 10 113**

Essential Oils of *Thymbra capitata* and *Thymus hyemalis* and Their Uses Based on Their Bioactivity *by Ana Belén Sabater-Jara, María Pina Funes, María Angeles Pedreño and Sarai Belchí-Navarro*

Preface

As an immunologist, I am used to emphasizing the importance of the thymus gland. This gland is extremely important in that it plays a vital role in the training and

This book opens with a brief introduction to the thymus, including its development and functions. Subsequent chapters examine a range of conditions – including environmental pollution, congenital anomalies, autoimmune diseases, and malignancies – that threaten the function and development of this gland. The volume also considers that the thymus undergoes aging and examines dietary supplementation

**Nima Rezaei, M.D., Ph.D.**

Children's Medical Center,

Tehran, Iran

Tehran, Iran

Research Center for Immunodeficiencies,

Universal Scientific Education and Research Network (USERN),

Tehran University of Medical Sciences,

Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA),

development of T cells.

as a way to sustain its life.
