Encyclopedia of Parasitology

Living Edition
| Editors: Heinz Mehlhorn


  • Heinz Mehlhorn
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27769-6_1331-2


Latin: granulum = grain, granule.

This term describes the aspects of microscopic sections through a parasite stage (e.g., larvae of Toxocara species, eggs of Schistosoma species, Paragonimus species) inside a tissue of host. The host defense system has surrounded this parasitic stage by, e.g., eosinophilic granulocytes and mostly by layers of collagen, so that these places are clearly differentiated from the healthy tissues of the infected organs. See Pathology.


Defense System Host Defense Healthy Tissue Parasite Stage Microscopic Section 
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© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Institut für Zoomorphologie, Zellbiologie und ParasitologieHeinrich-Heine-UniversitätDüsseldorfGermany