Adult parasite inhabits subcutaneous tissue mainly of legs but other parts are also included like head and neck. Dracunculiasis helminthiasis caused by the roundworm helminth dracunculus medinensis, a nematode that parasitizes mainly subcutaneous tissue. Fortunately, health workers are currently working on procedures involving the eradication of the worm. Dracunculus medinensis the guinea worm powerpoint ppt presentation. The worm emerges from the skin in the middle of an ulcer as a whitelooking filament. Guinea worm dracunculus medinensis infection in a wild. Presentation by joy tapp at georgia state university 111006. The common name guinea worm is derived from the guinea region of western africa. Dracunculus medinensis is the property of its rightful owner.
Everything you wanted to know about guinea worms but, were afraid to ask. The guineaworm like all filarial nematodes goes through six developmental stages. Request pdf dracunculiasis guinea worm disease dracunculiasis, also known as guinea worm disease, is caused by the nematode dracunculus medinensis that infects humans typically through. Dracunculus medinensis or guinea worm is a nematode that causes dracunculiasis, also known as guinea worm disease. See more ideas about skin blisters, worms and bacterial infection. It is caused by the nematode dracunculus medinensis, which uses humans as its primary host. The global guinea worm eradication dracunculiasis programme has made spectacular progress since it began in the 1980s. Dracunculiasis guinea worm disease is a debilitating disease caused by parasite dracunculus medinensis. If you continue browsing the site, you agree to the use of cookies on this website. Dracunculus medinensis is a nematode endoparasite, inhabiting the subcutaneous tissues of man, dog, cat and fur bearing wild animals. Symptoms are a painful, inflamed skin lesion, which contains an adult worm, and debilitating arthritis. Guineaworm disease is caused by the parasitic worm dracunculus medinensis or guineaworm. Dracunculus medinensis is a parasite of humans, dog, horse, cow, wolf, leopard, monkey, and baboon.
Dracunculiasisa case study for infection eradication. Female worm is 55 to 120cm long as compare to male 2 to 3cm long. Dracunculiasis dracunculus medinensis guinea worm disease. The condition is not life threatening, but causes significant morbidity. In man it occupies especially the body parts like the legs, arms and back. Although green frogs lithobates clamitans have been experimentally infected with d. Dracunculus medinensis parasitic roundworm of india and africa that lives in the abdomen or beneath the skin of humans and other vertebrates. The roundworm, dracunculus medinensis, causes dracunculiasis or guinea worm disease. Ppt dracunculus medinensis the guinea worm powerpoint. Dracunculus medinensis it is a round worm also called serpentmedinathread worm. Dracunculus medinensis guinea worm medina worm dragon worm 2. Dracunculus medinensis down regulates the hosts immune response, they adapt very quickly to what the hosts body throws at them. Dracunculusmedinensis2 1 free download as powerpoint presentation. Dracunculiasis is an infection caused by the nematode dracunculus medinensis, also known as the guinea worm.
Long and thin, the adult female measures 500 to 1200 mm by 0. The parents who lost 3 children in a car accident then had triplets the oprah winfrey show own duration. It is widespread in some parts of africa, india, the arabian peninsula, iran, and brazil. The worm can even use what the body sends out to locate them to there advantage by disguising themselves as part of the hosts body, or using the antibodies as a food source. Dracunculiasis guineaworm disease world health organization. Juvenile stages live in fresh water and infect copepods e. Ppt dracunculus medinensis powerpoint presentation, free. Awareness of dracunculus medinensis dates back to antiquity. Guinea worm dracunculiasis, a parasitic infection and neglected tropical disease, was only the second infection after smallpox to be targeted for eradication. This species infects humans in the african region, but are not fatal yusuf 2011. If so, share your ppt presentation slides online with.
This decision was made by the world health assembly in 1986, when it was thought the parasite infected only humans and that simple preventive measures could halt transmission. Matthews 1998 is one of the biggest nematodes known. A free powerpoint ppt presentation displayed as a flash slide show on. In the ussr, it was observed in separate areas in middle. Gwd is easily diagnosed because of its unique clinical presentation. Pronunciation of dracunculus medinensis with 1 audio pronunciation, 5 synonyms, 2 meanings, 2 translations and more for dracunculus medinensis. Dracunculiasis guinea worm disease and the eradication. Ppt dracunculus medinensis powerpoint presentation. Dracunculiasis, also known as guinea worm disease, is caused by the large female of the nematode dracunculus medinensis, which emerges painfully and slowly from the skin, usually on the lower limbs. D medinensis is in the order spirurida, an order of parasites that includes the filariae wuchereria bancrofti, brugia malayi, and loa loa. Dracunculus medinensis is ovoviviparous, meaning it produces young by means of eggs that are hatched within the body of the parent. Read more about symptoms, diagnosis, treatment, complications, causes and prognosis.
The fiery serpent of the biblical israelites numbers 21. Dracunculus medinensis this species causes dracunculiasis in humans parasite. Tiffany walsh november 10, 2005 dracunculus medinensis phylum. Dracunculiasis in tribal region of southern rajasthan. Dracunculiasis is an tropical disease caused by the nematode dracunculus medinensis, also known as guinea worm. In this article we will discuss about the life history of guinea worm dracunculus medinensis.
Dracunculus medinensis or guinea worm is a nematode that causes dracunculiasis, also. Also known as guinea worm for its high prevalence along the gulf of guinea, dracunculus medinensis little dragon from medina is a parasitic nematode that infects humans and domestic animals through contaminated water. During this stage, it is at the surface of the skin of the host. Pdf guinea worm dracunculus medinensis infection in a. It attacks man and some animals dogs, jackals, and so forth.
Eradication and control programs guinea worm consortium of. The other is the intermediate host, the cyclops in which. Find the perfect dracunculus medinensis stock photo. Dracunculus medinensis powerpoint ppt presentation slideserve. Dracunculus medinensis guinea worm, fiery serpent dracunculus medinensis causes the disease known as dracunculiasis, and the parasite is often referred to as the guinea worm or fiery serpent. Dracunculus medinensis infection in dogs continues to pose a challenge to the global eradication campaign.
In contrast, the longest recorded male guinea worm is only 4 cm 1. Ppt dracunculus medinensis the guinea worm powerpoint presentation free to download id. Dracunculiasis is infection with dracunculus medinensis. Dracunculus medinensis guinea worm linkedin slideshare. Since it temporarily cripples its victim, it has disastrous effects on the productivity of the areas it is endemic in. Dracunculiasis guinea worm disease ppt video online download. Thought to be referred to in a book written in egypt 3,500 years ago. The numbers of individuals afflicted by guinea worm disease has declined from an estimated 3. Dracunculus medinensis an overview sciencedirect topics. Causes by the largest of tissue parasites affecting humans, the parasitic round worm dracunculus medinensis transmitted to people when they drink water. Infection with guinea worms, characterized by painful blisters and lesions of the skin where the worms emerge.
The disease is caused by the female which, at up to 80 cm 31 in in length, is among the longest nematodes infecting humans. Dracunculiasis guinea worm disease is caused by the nematode roundworm dracunculus medinensis. Adult females can reach a maximum length of up to 800 mm long, but males can only reach a maximum length of 40 mm. Dracunculus medinensis synonyms, dracunculus medinensis pronunciation, dracunculus medinensis translation, english dictionary definition of dracunculus medinensis. The female has thousands of embryos in the uteri that cause a high internal pressure. One is the primary host, the man which harbours the adult parasite in the subcutaneous tissue. See more ideas about skin blisters, parasite, roundworm. The parasite causes a disease called dracunculosis dracunculiasis or dracontiasis. One of the largest nematodes common name is guinea worm or the fiery serpent. Humans become infected by drinking unfiltered water containing small crustaceans that are infected with larvae of dracunculus medinensis. The disease can infect animals, and sustainable animal cycles occur in north america and central asia but do not act as reservoirs of human infection. The disease is caused by infection with dracunculus medinensis and acquired by ingestion of infected water fleas, cyclops. This worm is the largest of the tissue parasite affecting. The mouth is tiny and has a triangular shape and is enveloped by a sclerotized.
The most cunning parasite from an immunological perspective by. This phylogenetic tree shows dracunculus medinensis as an outgroup in the comparison of the evolutionary relatedness of the family thelaziidae. The morphology and biology of dracunculus medinensis. Classification nematodes intestinal nematodes small intestine large intestine tissuesomatic nematodes lymphatic tissue subcutaneous conjunctiva body cavity 3. This parasite and the disease that it causes have been mentioned in the ancient writings of.
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