Archive | Parasitology

Difference between E.Histolytica and E.Coli | Parasitology

Difference between Entamoeba histolytica and Entamoeba coli: Difference # E. histolytica: A. Trophozoite stage: (i) Fairly abundant in amoebic dysentery stools. (ii) The size varies from 10-30µ (iii) The outline shows finger like pseudopodia. (iv) Actively motile in nature. (v) Cytoplasm: Ectoplasm—prominent; Endoplasm—finely granular with ingested RBCs Vacuoles—scanty, spherical and defined. Nucleus: Nuclear membrane uniformly stained with chromatin; karyosome is [...]

By |2016-11-05T04:14:16+00:00November 5, 2016|Parasitology|Comments Off on Difference between E.Histolytica and E.Coli | Parasitology
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Heterogenetic Association | Parasitology

The following points highlight the four main terms that have been widely used for various types of heterogenetic association: 1. Phoresis 2. Amensalism 3. Commensalism 4. Mutualism and Symbiosis. Term # 1. Phoresis: Phoresis is a term used for a particular type of heterogenetic association in which one individual merely provides shelter, support or transport for another organism of a [...]

By |2016-11-05T04:14:16+00:00November 5, 2016|Parasitology|Comments Off on Heterogenetic Association | Parasitology
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Life Cycle of Haemoflagellates (With Diagram)

Haemoflagellates has two stages in its life cycle: A. the amastigote form, occurring in man and B. the promastigote form occurring in sand-fly. A. Life cycle in Man: (a) Infection: L. donovani is transmitted to man by the sand-fly, Phlebotomus argentipes. In case of this parasite sand-fly acts as vector. The insect vector which has fed on some suitable fruit [...]

By |2016-11-05T04:14:16+00:00November 5, 2016|Parasitic Protozoa|Comments Off on Life Cycle of Haemoflagellates (With Diagram)
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