Browse the corpus

Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

1 passage

introductionstatpearls· Introduction· item NBK563148

White blood cells, or leukocytes (Greek; leucko=white and cyte=cell), are part of the immune system and participate in innate and humoral immune responses. They circulate in the blood and mount inflammatory and cellular responses to injury or pathogens.