What is T-cell?

A T-cell is a type of lymphocyte, that is an essential part of the immune system. T-cells are one of the important white blood cells of the immune system and play a central role in the adaptive immune response. They are a part of the immune system that focuses on specific foreign particles. Rather than generically attack any antigens.

They recognize foreign particles (antigen) by a surface expressed, highly variable, T cell receptor (TCR). T cells originate in the bone marrow and mature in the thymus.

During this time, long-term reserves of memory T-cells are established and can be maintained through adulthood. In adulthood, when fewer novel antigens are encountered, they function mainly to maintain homeostasis and immunoregulation of repeat or chronically encountered antigens.

There are 3 main types of T-cells:
*Cytotoxic
*Helper
*Regulatory

Fruits and vegetables high in folic acid, vitamin B6, and thiamin can increase the number of T-cells in human body. One of the best ways to get these nutrients is to eat a varied diet that includes fresh fruit and vegetables.
What are T-cell?