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Amoebiasis, Entamoeba Histolytica, Life cycle, Diagnosis

Amoebiasis, Entamoeba Histolytica, Life cycle, Diagnosis

What is Entamoeba Histolytica? Definition of Entamoeba Histolytica Entamoeba histolytica is a single-celled, anaerobic parasitic organism that causes amoebiasis, a disease characterized by intestinal and sometimes extraintestinal infections. It exists in both active (trophozoite) and dormant (cyst) forms, the latter being responsible for environmental survival and transmission of the infection, particularly in tropical regions. The … Read more

Blastomyces dermatitidis – Morphology, Transmission, Treatment

Blastomyces dermatitidis - Morphology, Transmission, Treatment

Kingdom: Fungi Division: Ascomycota Class: Eurotiomycetes Order: Onygenales Family: Ajellomycetaceae Genus: Blastomyces Species: B. dermatitidis Morphology of Blastomyces dermatitidis Blastomyces dermatitidis is a dimorphic fungus that causes blastomycosis, a fungal infection in humans and animals. The fungus exists in two different morphological forms, the yeast phase, and the mold phase. Overall, the morphology of Blastomyces dermatitidis … Read more

Coccidioidomycosis – Definition, Life Cycle, Pathogenesis

Life cycle of Coccidioides

Coccidioides is a genus of dimorphic fungi that exist as both mycelia and spherules. Mycelia and spherules are both asexual structures. Sexual coccidiosis has not been identified. The results of a molecular analysis indicate that Coccidioides is related to ascomycetes such as Histoplasma capsulatum and Blastomyces dermatitidis. There are two recognized taxa within the genus … Read more

Fusarium spp – Definition, Structure, Pathogenesis

Fusarium spp - Definition, Structure, Pathogenesis

Kingdom: Fungi Division: Ascomycota Class: Sordariomycetes Order: Hypocreales Family: Nectriaceae Genus: Fusarium Fusarium is a large genus of filamentous fungi belonging to the hyphomycetes group, which is extensively distributed in soil and closely associated with plants. The majority of species are saprobes and are relatively abundant constituents of the soil microbiome. Certain species generate mycotoxins … Read more

Foodborne Giardiasis – Definition, Pathogenesis, Contamination

Foodborne Giardiasis - Definition, Pathogenesis, Contamination

What is Foodborne Giardiasis? Characteristics of Giardia Giardia is a genus of microscopic, single-celled parasites that can cause the infection known as giardiasis. Here are some characteristics of Giardia: Overall, Giardia is a highly adaptable and resilient parasite that can cause a range of symptoms in humans and animals. By practicing good hygiene and food safety … Read more

Giardia duodenalis (Giardia lamblia or Giardia intestinalis)

Giardia duodenalis (Giardia lamblia or Giardia intestinalis)

Giardia duodenalis Classification of Giardia duodenalis Domain: Eukaryota Phylum: Metamonada Order: Diplomonadida Family: Hexamitidae Genus: Giardia Species: G. duodenalis History of Giardia duodenalis Distribution of Giardia duodenalis Habitat of Giardia duodenalis Giardia duodenalis is a flagellated protozoan parasite that can infect the gastrointestinal tract of humans and other animals. The habitat of Giardia duodenalis includes the following: In summary, the habitat … Read more

Strongyloides stercoralis (Parasitic Roundworm)

Strongyloides stercoralis: Parasitic adult female (stained)

Strongyloides stercoralis Distribution of Strongyloides stercoralis Habitat of Strongyloides stercoralis Morphology of Strongyloides stercoralis There are two different species of Strongyloides stercolaris: parasitic and free-living. The females are easily found during the parasite phase, but not the males. Parasitic female Parasitic males Eggs Larva The larva of S. Stercoratis is of two types: 1. Rhabditiform larva (first stage larva) 2. … Read more

Life Cycle of Fasciola Hepatica

Life Cycle of Fasciola Hepatica Summery

Fasciola Hepatica Life Cycle of Fasciola Hepatica Fasciola hepatica completes its life cycle in two hosts. The definitive or primary host is a sheep or cow, while the intermediate or secondary host is a small of the genus Limnaea. Its life cycle consists of a number of larval stages that reproduce asexually (polyembryony). Copulation, Fertilization … Read more

Fasciola hepatica – Definition, Structure, Reproducation, Life Cycle

Life Cycle of Fasciola Hepatica Summery

Fasciola hepatica – Classification Kingdom Animalia Phylum Platyhelminthes Class Trematoda Subclass Digenea Order Echinostomida Genus Fasciola Species hepatica Fasciola hepatica General Characteristics Habitat of Fasciola hepatica Hosts of Fasciola hepatica History and distribution of Fasciola hepatica Epidemiology of Fasciola hepatica Morphology of Fasciola hepatica/Structure of Fasciola Hepatica Shape, Size and Colour External Morphology Internal Morphology The architecture of F. hepatica’s body … Read more

Host-Parasite Interactions – Definition, Types, Mechanism

Host-Parasite Interactions

What is Host-Parasite Interactions? Types of Parasites Parasites can be broadly classified into two major types based on their location in the host organism’s body: Both endoparasites and ectoparasites can cause harm to the host organism and lead to various health problems, ranging from minor skin irritation to severe diseases. Understanding the type and location … Read more

Cysticercosis – Definition, Symptoms, Treatment, Diagnosis

Development/Life Cycle of Taenia Solium

What is Cysticercosis? Clinical manifestations of Cysticercosis Cysticercosis is a parasitic infection caused by the larval stage of the tapeworm Taenia solium. The clinical manifestations of cysticercosis depend on the location of the cysticerci (larval stage) within the body. It’s worth noting that not all patients with cysticercosis will experience symptoms. Asymptomatic cysticercosis is often … Read more

Ancylostoma duodenale – Structure, Life Cycle, Habitat, Characteristics

Life cycle of Ascaris Lumbricoides

Ancylostoma duodenale Ancylostoma duodenale is a species of the Ancylostoma genus. The hookworm of the Old World is a parasitic nematode worm. It matures and reproduces in the small intestines of humans, cats, and canines. Ancylostoma duodenale and Necator americanus are the two hookworm species commonly cited as the cause of hookworm infection in humans. … Read more

Ascaris lumbricoides – Structure, Reproduction, Life Cycle, Characteristics

Male Reproductive Organs

Ascaris lumbricoides is a parasitic nematode roundworm that inhabits the small intestine of humans. These worms belong to the Ascarididae family, the Secernentea class, and the Oxyurida order. These parasites are commonly discovered in pigs. They are large roundworms measuring up to 40 centimeters in length, with a mouth surrounded by three lips. Ascariasis is … Read more

Taenia solium – Structure, Reproduction, Life Cycle, Characteristics

Development/Life Cycle of Taenia Solium

Taenia solium is unique among Taenia species in that it can use its definitive host (human) as an intermediate host. The oncosphere larva can infect a human host via external autoinfection, in which feces-expelled eggs are ingested orally. Internal autoinfection, in which a larva can infect its host without being expelled via feces, has not … Read more

Schistosoma haematobium: Life cycle, pathogenicity and prophylaxis

Life cycle of Schistosoma haematobium

What is Schistosoma haematobium? Kingdom: Animalia Phylum: Platyhelminthes Class: Trematoda Order: Diplostomida Family: Schistosomatidae Genus: Schistosoma Species: S. haematobium Characteristics of Schistosoma haematobium Structure of Schistosoma haematobium Geographic Distribution Habitat Life cycle of Schistosoma haematobium Pathogenicity of Schistosoma haematobium Hosts of Schistosoma haematobium Schistosoma haematobium is the parasite responsible for schistosomiasis. Schistosoma haematobium’s intermediate host … Read more

Plasmodium vivax – Life Cycle in Man and in Mosquito

Life Cycle of Plasmodium vivax

What is Plasmodium Vivax? Discovery Characteristics of Plasmodium Vivax Various forms in the life cycle of Plasmodium Life Cycle of Plasmodium vivax Life cycle of Plasmodium vivax is divided into: A. Asexual cycle or Schizogony in man 1. Infection 2. Sporozoites 3. Liver schizogony The sporozoites are able to glide slightly. Approximately thirty minutes later, sporozoites leave the … Read more

Entamoeba Histolytica Life Cycle, Transmission, Disease, Diagnosis, Treatment

Entamoeba Histolytica Life Cycle, Transmission, Disease, Diagnosis, Treatment

Entamoeba histolytica can be described as an anaerobic parasite amoebozoan that is part of the Genus Entamoeba. It is a major cause of infection for humans and other primates , causing amoebiasis. E. histolytica is estimated to affect between 35 and 50 million people across the globe.

Schistosomiasis: Life cycle, Symptoms, Treatment, Prevention.

Schistosomiasis Life cycle, Symptoms, Treatment, Prevention.

Schistosomiasis also termed snail fever or bilharzia is a disease caused by parasitic flatworms called schistosomes. Infection with Schistosoma mansoni, S. haematobium, and S. japonicum causes illness in humans; less commonly, S. mekongi and S. intercalatum can cause disease.

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