Several exotic pathogens are noteworthy in histology: 1. Zika Virus: This virus can cause microcephaly in fetuses, with histological findings including calcifications and cortical thinning. 2. Leishmania: A protozoan parasite that results in Leishmaniasis, presenting as intracellular amastigotes in macrophages. 3. Plasmodium: The causative agent of malaria, often identified by the presence of ring forms in red blood cells.
