What role do T-
cells play in
psoriasis?

They play an important role in the immunity to extracellular pathogens and in the pathogenesis of inflammatory and autoimmune diseases, including psoriasis. In psoriasis the cells are highly activated and infiltrate into psoriatic lesions.

Explanation:

T-helper 17/regulatory T-cell balance

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.