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Giemsa stained Trypanosoma parasites (Chagas disease pathogen) Whirling disease section stained with Giemsa stain. Giemsa stain (/ ˈ ɡ iː m z ə /), named after German chemist and bacteriologist Gustav Giemsa, is a nucleic acid stain used in cytogenetics and for the histopathological diagnosis of malaria and other parasites.
Whole blood with microfilaria worm, giemsa stain. L. loa worms have a simple structure consisting of a head (which lacks lips), a body, and a blunt tail. The outer body of the worm is composed of a cuticle with three main layers made up of collagen and other compounds which aid in protecting the nematodes while they are inside the digestive system of their host.
Treatment of loiasis involves chemotherapy or, in some cases, surgical removal of adult worms followed by systemic treatment. The current drug of choice for therapy is diethylcarbamazine (DEC), with the recommended dosage of DEC for adults and pediatrics being 8–10 mg/kg/d taken three times daily for 21 days per the CDC.
H. pylori can be demonstrated in tissue by Gram stain, Giemsa stain, H&E stain, Warthin-Starry silver stain, acridine orange stain, and phase-contrast microscopy. It is capable of forming biofilms. Biofilms help to hinder the action of antibiotics and can contribute to treatment failure. [30] [31]
Main article: Human parasite Endoparasites Protozoan organisms Common name of organism or disease Latin name (sorted) Body parts affected Diagnostic specimen Prevalence Source/Transmission (Reservoir/Vector) Granulomatous amoebic encephalitis and Acanthamoeba keratitis (eye infection) Acanthamoeba spp. eye, brain, skin culture worldwide contact lenses cleaned with contaminated tap water ...
Lymphatic filariasis is a human disease caused by parasitic worms known as filarial worms. [2] [3] Usually acquired in childhood, it is a leading cause of permanent disability worldwide, impacting over a hundred million people and manifesting itself in a variety of severe clinical pathologies [6] [7] While most cases have no symptoms, some people develop a syndrome called elephantiasis, which ...
Whole blood with microfilaria worm, from a person with Loa loa, Giemsa stain. The mature worms live in the body fluids and cavities of the definitive hosts, or predominantly in particular tissues. Details vary according to species. Some of the worst pathogens invade lymphatic vessels and may be numerous enough to clog them.
Leishmania tropica is a flagellate parasite and the cause of anthroponotic [dubious – discuss] cutaneous leishmaniasis in humans. [2] This parasite is restricted to Afro-Eurasia and is a common cause of infection in Afghanistan, Iran, Syria, Yemen, Algeria, Morocco, and northern India. [3]