a type of white blood cell in the human body which takes its part in the immune response to foreign pathogens which invade. Leukocytes can include- neutrophils, basophils and eosinophil's which ingest foreign pathogens by phagocytosis or endocytosis.

LEUKOCYTE: "The body has a wide range of white blood cells involved in the immune response, one such are leukocytes."
Cite this page: N., Pam M.S., "LEUKOCYTE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/leukocyte/ (accessed April 18, 2021).