ID#: 14371
Caption:
This illustration of a composite photomicrograph reveals the ultrastructural details seen in two stages of the life cycle of the parasite, Entamoeba histolytica, stained with iodine is its cystic stage (lt), , and its Giemsa-stained vegetative, trophozoite stage (cntr and rt). The cyst contained a chromatoid body, and the characteristic four nuclei, each containing a single, centrally located karyosome. Each E. histolytica trophozoite contained a single nucleus, within which was a single, centrally located karyosome, and peripherally located chromatin. Note the ingested red blood cells inside each of the trophozoites.
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Content Provider(s): CDC
Creation Date: 1954
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