In this article we will discuss about the external morphology of liver flukes. i. It is dorsoventrally flattened, oval in shape like a leaf and faint brownish in colour. It may reach a size of 3 cm in length and 1.5 cm in breadth. ii. The anterior body part is broader than the posterior part which is blunt in outline. [...]
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 [...]
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 [...]