Parasitology Archives | The Biology Notes

Parasitic adaptation of flatworms and diseases caused by flatworm

April 19, 2021March 22, 2021 by Nargis Khanam

Parasitic adaptation of flatworms Adaption in parasites to survive in the environment of a body of the host is called parasitic adaptation. Mainly flat-worm are parasitic except Turbellaria, so they are adapted for parasitic nature. There are two types of parasitic adaptation to suit their parasitic mode of life. Morphological adaptations Morphological …

Protozoa- Locomotory organelles and locomotion methods

April 19, 2021March 20, 2021 by Nargis Khanam

Locomotory Organelles in Protozoa Protozoan shows different verities of locomotory organs, such as pseudopodia, pellicular contractile structure, flagella, cilia. 1. Pseudopodia Pseudopodia are false feet of some Sarcodina protozoans such as Amoeba. Pseudopodia are a temporary structure form by streaming of cytoplasm. It is comprised of ectoplasm and endoplasm both. Pseudopodia are four …

Types of parasitism in protozoa and human diseases

April 19, 2021March 19, 2021 by Nargis Khanam

Types of parasitism in protozoa Before discussing parasitism in protozoa we have to understand the parasite and parasitism. We know that parasites can be defined as organism exists on another organism, parasites are two types one is ectoparasites, living on external body organism and another is endo-parasites, living inside the body of …

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

April 19, 2021January 14, 2021 by Laxmi Neupane

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 …

Cysticercosis- Clinical manifestations, diagnosis, treatment

April 19, 2021December 18, 2020 by Laxmi Neupane

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 …

Ascaris lumbricoides- Lab Diagnosis, Treatments, Prophylaxis

April 19, 2021December 18, 2020 by Laxmi Neupane

Lab diagnosis of Ascaris lumbricoides a. Detection of Parasite Adult Worm In the case of heavy infection, the adult worm is possible to find in stool or sputum of the patient by the naked eye. Barium meal may reveal the presence of an adult worm in the small intestine. A plain abdominal …

Ancylostoma duodenale- An Overview

April 19, 2021December 18, 2020 by Laxmi Neupane

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; …

Plasmodium vivax- Life Cycle in Man and in Mosquito

April 19, 2021December 15, 2020 by Laxmi Neupane

What is Plasmodium vivax? Plasmodium vivax is the most common of the human infecting malaria fever parasites. It is an intracellular parasite in man. It lives in the red blood corpuscles and liver cells in man. While extracellular in mosquitoes, living in its alimentary canal and salivary glands. The life cycle of …

Plasmodium vivax- Habitat, Characteristics, Structure, Life cycle

April 19, 2021December 3, 2020 by Sourav Pan

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 …

Taenia solium- Life history ,development and adaptations

April 19, 2021December 2, 2020 by Laxmi Neupane

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 …

50 points	Registering on a website (One time)
10 points	Publishing a new post