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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 ...
Placentonema gigantissima is a giant nematode that parasitizes the placenta of the sperm whale.With a length of 8.4 metres (28 ft) and a diameter of 2.5 centimetres (0.98 in), it is potentially the largest nematode worm ever described, inhabiting the largest mammals of the world. [1]
The species is the largest brood parasite in the world, and the largest cuckoo. [4] It is found in Australia, New Guinea and Indonesia; additionally, it is vagrant in New Caledonia and New Zealand. The species is migratory over part of its range. There are three subspecies, one migratory, the other two resident.
In 1864, William M'Intosh described a specimen that had washed ashore in the aftermath of a severe storm by St Andrews, Scotland, which was more than 55 m (180 ft) long, [8] longer than the longest known lion's mane jellyfish, the animal which is often considered to be the longest in the world. However, records of extreme length should be taken ...
Gippsland earthworm colonies are small and isolated, [9] and the species' low reproductive rates and slow maturation make those small populations vulnerable. [9] Their natural habitats are grasslands, and while they can survive beneath pastures, [9] cultivation, heavy cattle grazing and effluent run-off are adversarial to the species. [9]
Rafflesia (/ r ə ˈ f l iː z (i) ə,-ˈ f l iː ʒ (i) ə, r æ-/), [2] or stinking corpse lily, [3] is a genus of parasitic flowering plants in the family Rafflesiaceae. [4] The species have enormous flowers, the buds rising from the ground or directly from the lower stems of their host plants; one species has the largest flower in the world.
[4] [5] Compared with their free-living relatives, parasites tend to be more fecund, and the whale tapeworm is likely to produce billions of eggs during its lifetime. [8] Considering why the worms should have evolved this enormous fecundity, Gerald D. Schmidt and Larry S. Roberts (1977) reflected that "There are few whales and the ocean is large".
According to the Mongabay institution, the single largest R. arnoldii to be measured was forty-five inches (1.14 meters) in width. [17] These flowers emerge from very large, cabbage-like, maroon or dark brown buds typically about 30 cm (12 in) wide, but the largest (and the largest flower bud ever recorded) found at Mount Sago , Sumatra in May ...