histozoic

his·to·zo·ic

(his'tō-zō'ik), Living in the tissues outside of a cell body; denoting certain parasitic protozoa. [histo- + G. zōikos, relating to an animal]

histozoic

(hĭs″tō-zō′ĭk) [″ + zoe, life] Living within or on tissues, said of certain protozoan parasites.