The lymphoid system is the essential basis of immune defences and comprises predominantly bone marrow, spleen, thymus and lymph nodes. Tissue fluid drains into lymph nodes which act as ‘filters’ of antigens and, after processing in the nodes, lymph containing various immunocytes drains from the nodes to lymph ducts and then to the circulation. A lymph node consists of a cortex, paracortex and m...

The availability and integration of genetic information into our understanding of normal and abnormal growth and development are driving important changes in health care. These changes have fostered the hope that the availability of genetic information will promote a better understanding of disease etiology and permit early, even pre-symptomatic diagnosis and preventative intervention to avoid ...

Medicinal plants have been used since ancient times for the treatment of different diseases. Natural sources are one of the important fields of research for preventing immunological complications. Using herbal medicine has decreased as the result of the development of chemical drugs. This review aimed to study herbal medicine regarding the oral cavity. English literature was searched with the t...