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Nematodes, as so-called endoparasites ("internal parasites"), colonize various internal organs - most of them the digestive tract - and the skin. To date, about 30 different species of nematode have been identified in domestic dogs; they are essentially also found in wild dog species .
Toxocariasis is an illness of humans caused by the dog roundworm (Toxocara canis) and, less frequently, the cat roundworm (Toxocara cati). [1] These are the most common intestinal roundworms of dogs, coyotes, wolves and foxes and domestic cats, respectively. [2]
Toxocara canis (T. canis, also known as dog roundworm) is a worldwide-distributed helminth parasite that primarily infects dogs and other canids, but can also infect other animals including humans. [ 1 ] [ 2 ] The name is derived from the Greek word toxon 'bow, quiver' and the Latin word caro 'flesh'. [ 3 ]
Ancylostoma caninum is a species of nematode known as a hookworm, which principally infects the small intestine of dogs. [1] [2] [3] The result of A. caninum infection ranges from asymptomatic cases to death of the dog; better nourishment, increasing age, prior A. caninum exposure, or vaccination are all linked to improved survival.
Dogs are commonly infected by Ancylostoma caninum, but may also be infected by Uncinaria stenocephala and Ancylostoma braziliense. [citation needed] In Asia, Ancylostoma ceylanicum is endemic among dogs and cats and infects humans. [4] Cattle are infected by Bunostomum phlebotomum. [1] At least 68 species have been described in wild mammals. [5]
Deworm pet dogs and cats. Canine and feline hookworms rarely develop to adulthood in humans. Ancylostoma caninum , the common dog hookworm, occasionally develops into an adult to cause eosinophilic enteritis in people, but their invasive larvae can cause an itchy rash called cutaneous larva migrans .
The roundworm, Dracunculus has a complex mode of transmission: it is acquired from drinking infested water or eating frogs and fish that contain (had eaten) infected crustaceans ; and can also be transmitted from infected pets (cats and dogs). [30] Roundworms such as Brugia, Wuchereria and Onchocerca are directly transmitted by mosquitoes.
The larvae then use their piercing mouthpart, called the "stylet", to pass through the intestinal mucosa and enter the lymphatic vessels, and then enter the bloodstream. [ 20 ] The larvae travel by capillaries to various organs, such as the retina , myocardium , or lymph nodes ; however, only larvae that migrate to skeletal muscle cells survive ...
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