Visceral leishmaniasis (Kala-azar)- Causes, Lab diagnosis, Treatments

Visceral leishmaniasis (Kala-azar)

What is Visceral leishmaniasis (Kala-azar)? Visceral leishmaniasis is sometimes known as systemic leishmaniasis or kala-azar. Kala-azar also is known as black fever or Dumdum fever in Asia. It usually occurs 3 to 6 months after being bitten by a sandfly. It primarily infects the reticuloendothelial system. It damages internal organs, such as …

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Cysticercosis- Clinical manifestations, diagnosis, treatment

Cysticercosis

What is Cysticercosis? Cysticercosis refers to the tissue infection caused by the metacestode, or larval stage, of Taenia solium. It is acquired by the accidental ingestion of T. solium eggs. It is endemic to many parts of the developing world, including Latin America, Asia, and sub-Saharan Africa. Cysticercosis is the most common …

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Ancylostoma duodenale- An Overview

Ancylostoma duodenale

What is Ancylostoma duodenale? Ancylostoma duodenale is the most dangerous parasitic roundworm, causing serious infection in humans. It is commonly known as Old World hookworm. It is common in the tropical, subtropical, and temperate region of Asia, Africa, Europe, the Pacific Islands, and the Southern States of America. Ancylostoma duodenale (Greek ankylos—hooked; …

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Plasmodium vivax- Habitat, Characteristics, Structure, Life cycle

Plasmodium vivax

Plasmodium vivax is a widely distributed protozoal parasite and a human pathogen that is responsible for human malaria. P vivax is not virulent as compared to Plasmodium falciparum. Plasmodium vivax can cause severe disease and death due to the enlargement of the spleen. They are transmitted through the female Anopheles mosquito. Classification …

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Taenia solium- Life history ,development and adaptations

Taenia solium- Life history ,development and adaptations

Image Source: Laboratory Diagnostic Assistance (DPDx), CDC. Life history and Development of Taenia solium 1. Copulation and fertilization The life cycle of Taenia solium is digenetic, involving two hosts. But the life cycle of tapeworm is simple and without a free larval stage. Fertilization is preceded by copulation, inserting cirrus into the …

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Taenia solium- Nutrition, respiration, excretory, nervous, reproductive system

Taenia solium- Nutrition, respiration, excretory, nervous, reproductive system

Nutrition in Taenia solium Tapeworm completely lacks alimentation in all stages of life-history. It is clear that tapeworms absorb nutrients from their hosts and that such movement of materials from the hosts into parasites is an essential element of host-parasite relationships. The soluble nutrients like glucose, amino acids, glycerol, etc., diffuse directly …

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Leishmania donovani- Habitat, Morphology and Life Cycle

Leishmania donovani Morphology

Systematic position Phylum: Protozoa Subphylum: Sacromastigophora Superclass: Mastigophora Class: Zoomastigophora Order: Kinetoplastida Genus: Leishmania Species: donovani Discovery and Distribution The species of Leishmania donovani was reported simultaneously by Leishmania from London and Donovan from Mardas in (1903) hence the name  Leishmania donovani. L. donovani causes a malaria-like fever-oriental disease in the man …

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Taenia solium- Classification, Habitat, Structure, Body wall

Structure of Taenia solium

Classification of Taenia solium Phylum Platyhelminthes Class Cestoda Subclass Eucestoda Order Taenioidea Genus Taenia Species solium Habits and Habitat of Taenia solium Taenia solium, also known as pork tapeworm, is found worldwide. Thus, its distribution is cosmopolitan. Its adults dwell in man’s small intestine as an internal parasite, i.e., endoparasitic, where it …

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