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Parasitic disease. A parasitic disease, also known as parasitosis, is an infectious disease caused by parasites. [citation needed] Parasites are organisms which derive sustenance from its host while causing it harm. [1] The study of parasites and parasitic diseases is known as parasitology. [2] Medical parasitology is concerned with three major ...
Parasitism is a kind of symbiosis, a close and persistent long-term biological interaction between a parasite and its host. Unlike saprotrophs, parasites feed on living hosts, though some parasitic fungi, for instance, may continue to feed on hosts they have killed.
Parasitic plant. Cuscuta, a stem holoparasite, on an Acacia tree in Pakistan. A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All parasitic plants develop a specialized organ called the haustorium, which ...
Human parasites include various protozoa and worms . 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 ...
Parasitic twin. A parasitic twin, also known as an asymmetrical twin or unequal conjoined twin, occurs when a twin embryo begins developing in utero, but the pair does not fully separate, and one embryo maintains dominant development at the expense of the other. It results from the same processes that also produces vanishing twins and conjoined ...
Antiparasitic. Antiparasitics are a class of medications which are indicated for the treatment of parasitic diseases, such as those caused by helminths, [1] amoeba, [2] ectoparasites, parasitic fungi, [3] and protozoa, [1] among others. Antiparasitics target the parasitic agents of the infections by destroying them or inhibiting their growth ...
Parasitic worm. Eggs of different species of parasitic worm. Parasitic worms, also known as helminths, [1] are large macroparasites; adults can generally be seen with the naked eye. Many are intestinal worms that are soil-transmitted and infect the gastrointestinal tract. Other parasitic worms such as schistosomes reside in blood vessels.
Lymphatic filariasis is a human disease caused by parasitic worms known as filarial worms. 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 While most cases have no symptoms, some people develop a syndrome called elephantiasis, which is marked by ...