WHAT IS T CELL?

T CELL OR T Lymphocytes - 

* IT Is A Type Of White Blood Cell That Plays A Critical Role In The Adaptive Immune System By Protecting The Body From Infection And Cancer.

FUNCTION OF T CELL - 

- Destroying Infected Cells - ( Cytotoxic Cell) 

- Regulating Immune Response - Helper T Cell ( CD4 Cells) Are The Commander Of Immune System.

- Developing Immune Memory 

- Controlling Immune Response 

TYPES OF T CELL - 

- HELPER CELL (CD4 Cells) 

- CYTOTOXIC CELLS - ( CD8+ Cells) Killer Cell Also Called 

- MEMORY T CELL - Provide Long Term Immunity 

- REGULATORY T CELL - Cells That Prevent The IMMUNE System 

TCELL FORMATION - 

* T Cell Develops From Stem Cell In The Bone Marrow.

* These Are Called Thymocytes, Gland Locates Behind The Sternum, T Cell Named Thymus