 T-calls can be classified in 4 ways:
- Helper T cells
- Regulatory T cells
- Cytotoxic T cells
- Thymocytes

Types of T Cells

T cells function as the central orchestrator of both innate and adaptive immune responses.  T cells mature in the thymus. They are also responsible for destruction of cells infected with intracellular pathogens.

Austin Community College

Many cells and molecules work together to ensure our cellular immunity functions properly.
- T Cells 
- Major Histocompatibility Complex
- Cytokines
- Antigen-presenting Cells

Components of Cellular Immunity

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Cytokines regulate acute and chronic inflammation in immune responses through a variety of complex pathways. They are produced by various immune cells (innate macrophages, dendritic cells, natural killer cells, adaptive T and B lymphocytes). 

Cytokines

The major histocompatibility complex (MHC) is a collection of genes coding for MHC molecules found on the surface of all nucleated cells of the body. There are two classes of MHC molecules involved in adaptive immunity:
- MHC I 
- MHC II

Major Histocompatibility Complex 

Antigen-presenting cells (APCs) include macrophages, dendritic cells, and B cells. APCs have the ability to present antigens specifically for the purpose of activating T cells.

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