A type of white blood cell found in the blood and lymph tissue, subtypes of which include B cells (which make antibodies), T cells (which help control immune responses) and natural killer cells (which help kill virus-infected and tumour cells).
A type of white blood cell found in the blood and lymph tissue, subtypes of which include B cells (which make antibodies), T cells (which help control immune responses) and natural killer cells (which help kill virus-infected and tumour cells).