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Giardia lamblia, an infectious protozoan. Protozoan infections are parasitic diseases caused by organisms formerly classified in the kingdom Protozoa. These organisms are now classified in the supergroups Excavata, Amoebozoa, Harosa (SAR supergroup), and Archaeplastida. They are usually contracted by either an insect vector or by contact with ...
Infection by fungal pathogens is treated with anti-fungal medication. Athlete's foot, jock itch, and ringworm are fungal skin infections that are treated with topical anti-fungal medications like clotrimazole. [56] Infections involving the yeast species Candida albicans cause oral thrush and vaginal yeast infections. These internal infections ...
Medical parasitology is concerned with three major groups of parasites: parasitic protozoa, helminths, and parasitic arthropods. [2] Parasitic diseases are thus considered those diseases that are caused by pathogens belonging taxonomically to either the animal kingdom, or the protozoan kingdom. [4]
By 1954, Protozoa were classified as "unicellular animals", as distinct from the "Protophyta", single-celled photosynthetic algae, which were considered primitive plants. [25] In the system of classification published in 1964 by B.M. Honigsberg and colleagues, the phylum Protozoa was divided according to the means of locomotion, such as by ...
Parasitology – study of parasites, their life cycles, and the diseases they cause in humans and animals. Protozoa – single-celled eukaryotic organisms that can live as parasites within a host. [1] Protozoan infection; Helminths – macroscopic parasitic worms that can live in different organs and tissues of their host
Human parasites are divided into endoparasites, which cause infection inside the body, and ectoparasites, which cause infection superficially within the skin. The cysts and eggs of endoparasites may be found in feces , which aids in the detection of the parasite in the human host while also providing the means for the parasitic species to exit ...
The virus causes acute gastroenteritis — an inflammation of the stomach or intestines — which causes the diarrhea, vomiting, and stomach pains. Although most people recover in three days or ...
(blood-borne protozoal infections) Protozoa: Protozoan infections are parasitic diseases caused by organisms formerly classified in the kingdom Protozoa. These organisms are now classified in the supergroups Excavata, Amoebozoa, Harosa (SAR supergroup), and Archaeplastida. They are usually contracted by either an insect vector or by contact ...