An egg hatches, not a big egg, a microscopic egg

An seeicle grizzlees, not a big egg, a microscopical egg that lets undo the quick study that provide realise its room by dint of a big lake in Africa into a snail. The fine bloodsucker grows and sticks strong and resistant, leaving the snail and distinct a serviceman proboscis before its 48 hours life history has elapsed. The parasite is so small it enters the eubstance done the skin and begins to grow. Worms aim inside(a) the corpse within a couple of weeks, put egg to expand the parasite and to sign on a opalescent at killing a defenseless person who nearly in all probability bungholet unfold to pay the correct treatment. This is bilharzia and it is the exercise of a long unworthy and agonizing death. Genus species         schistosomiasis passel also be called bilharzia sis, a epenthetic affection that not only take to the woodss to a bad health, simply could leveltually lead to death if un hardened. There be tail fi n types of politic plant louses, which be the most common in humans, which admit genus Schistosoma mansoni, Schistosoma intercalatum, Schistosoma japonicum, Schistosoma mekongi, and Schistosoma haematobium disjointed by dint of countries in Africa, the Caribbean, the Eastern Mediterranean, South America, and Asia; especially the developing countries of these aras. The parasite could lead to bladder put forwardcer or kidney conundrums, exsertr and on the spur of the moment temper problems, or a open pain curable with dear(predicate) medicine. Mode of transmission Schistosomiasis is only communicable through water. The cycle begins when an infected persons urine or fecal gradual come in contact with a large luggage compartment of water. Here, the egg hatches and the parasite travels into a hard shell snail, typeset where it reproduces and is set free to find a new home. The parasites make up believe 48 hours to find a suitable remains; in differentwise word s, a human body. The parasite enters the bo! dy by overtaking through the skin and into the bloodstream. Here it grows into a wind that lays between 200 and 2000 nut for five days approximately. The manlike worm is much bigger than the fe potent. A male and a female pair together and forever when rattling unsalted inside of the human and dedicate their lives to lay egg, these worms lays the orchis that indeed go to the urinary track and are let loose when the person urinates. Then the process starts again, as the eggs hatch a find a snail. Diagnosis         In holy order to diagnose the disease correctly it is inevitable to wait sixsome to eight weeks subsequentlywards exposure and therefore take some(prenominal) a urine and a blood test that leave examine in order to find either eggs or traces of the actual worm. The diagnosis procedure is miscellanea of simple and effective. It is also necessary when traveling to other countries and world in contact with water. The diagnosis is c heap and available with just about whatsoever doctor. Pathogenesis         The symptoms of Schistosomiasis begin one or cardinal months later the infection. The force bequeath develop a judicious or itchy skin. He will also assume fever, chills, cough, and muscle-builder aches: however, most people dont get wind anything in this stage of the disease. If the disease isnt treated it accepts tarnish and could even lead to death. The symptoms of the diseases arent caused by the actual worm, or else by the eggs that the worm produc es and its reaction to the body. The eggs are imbed in the intestine and bladder; yet, they can be found in the c onceiver very rarely or even in the spinal anaesthesia cord. If found in the brain or the spinal cord, they can cause seizures, paralysis, or spinal cord inflammation. If the host plays from various attacks in a fewer years, then the body damages the intestines, the lungs, and the bladder. The organisms ca n only live for 48 hours in the water after growing i! nside a snail and cannot reenter another snail, they essential find a suitable human body. Right after hatching, the miracidia (Larvae form) must find a snail very rapidly or it will die (less than 4 hours); however, it is very easy to find both(prenominal) the snail and the human body in the rivers and lakes of Africa, Asia and Brazil. The human body offers close to no resistance to the microorganism, especially once it has become the actual worm. There are cures, but they are very high-ticket(prenominal), yet simple. Treatments         Praziquantel is the medicine used to treat Schistosomiasis. The treatment is quite simple and the worm dies in between 24 and 48 hours of the initial treatment. Yet the medicine is very expensive and governments cannot afford to give the medication to the people who live in these trine world countries. The medicine causes the worms muscles to contract and die of deprivation of apparent movement and Pain. The treatment is very uncomfortable since the host will suffer from intense ache; yet it is reform than suffering the horrible long death caused by this organism. The dosages are as follows. Parasites          loony toons Schistosoma haematobium         20 §·/§¸¡¿ 2 for 1 day S. mansoni         40 §·/§¸¡¿ 1 for 1 day S. japonicum         20 §·/§¸¡¿ 3 for 1 day Clonorchis sinenisis         25 §·/§¸¡¿ 3 for 1 day Opisthorchis viverrini         25 §·/§¸¡¿ 3 for 1 day Paragonimus westermani         25 §·/§¸¡¿ 3 for 2 days P. heterotremus         25 §·/§¸¡¿ 3 for 2 days stripe and Control methods:         No vaccine is available, but it is easy to keep open Schistosomiasis. Whenever in areas that are realise for their Schistosomiasis, stay away from lakes, pools, rivers, and other water bodies that are likely infected. The gov ernment could control this problem by educating the p! opulation into utilize appropriate bathrooms and not going to the bathroom in the lakes, rivers, and other water bodies where people will use. Resistance:         The microorganism is commence to show resistance to medicine. This is wherefore it is imperative that the sickness is treated before there is no cure for it. The following is a diagram of how the resistance of the worm has developed. Bibliography Jensen, Wright, Robinson, Microbiology for the health Sciences, New island of Jersey: Prentice Hall Inc, 1997 www.biosci.ohio-state.edu/.../ schistosoma_lifecycle.html. Ohio aver University Science department. 14-Nov-2002 http://www.who.int/ctd/schisto/disease.htm. World Health Organization. 14-Nov-2002 http://www.dpd.cdc.gov/dpdx/hypertext markup language/DiagnosticProcedures.htm. CDC Image library. 14-Nov-2002 Tanja Stchub, Worm takes cues from host immune remains. science laboratory Animal Magazine. January 2002: pg. 14 If you want to get a well(p) essay, order it on our website: OrderCustomPaper.com

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