Tag: human
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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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The Basics – Human Health & Disease
Health can be defined in certain ways, but heath is sum total of physical, mental and social well being. Social + mental + physical = health Mind plays a very important role as it influenced by neural system, endocrine & immune system. The immune system maintains our heath, thus directly or indirectly mind affects our…
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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…
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Ecological Factor: Temperature
Introduction Compared to excessively wide range of temperatures existing in this universe, life is known to exist in very narrow range of temperature only. This in itself indicates that temperature has significant effect on living organisms as a limiting factor. Temperature regulates all chemical processes & many physical processes. It controls feeding, respiration, growth, reproduction,…