Category: Parasitology
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Trypanosoma brucei
Systematic position Trypanosoma – click here Two species of Trypanosoma brucei are known to cause diseases in humans: Note: Sub-species Trypanosoma brucei brucei does not cause infection in humans. Habitat: Blood & Lymph Habits: Obtain nourishment through osmotrophy from blood plasma. Pinocytosis occur in ‘reservoir’ at posterior end. Respiration & excretion occurs by diffusion through…
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Entamoeba histolytica
(Anaerobic parasite) Causes Amoebic dysentery or Amoebiasis. Distribution: Worldwide. Habits & Habitat: Found in large intestine (colon) of man, in both mucosal & sub-mucosal layers of it. It feeds on tissue and RBCs mainly. Secrete a toxic substance to dissolve mucous lining of the intestine. It gradually recedes deep in the mucosal & sub-mucosal…
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Introduction to Parasitology (Related Terminology)
Parasitology Parasitology is the study of parasites and their relationship with their host. Parasitism Parasitism is a type of symbiotic relationship between two heterospecific organisms in which one organism called the parasite is metabolically dependent on the other called the host. The parasite benefits at the expense of the host and is also usually smaller…