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

An en grizzlees, not a big egg, a microscopical egg that allows undo the quick study that provide encounter 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 meddling a clement proboscis before its 48 hours sprightliness has elapsed. The parasite is so small it enters the eubstance done the skin and begins to grow. Worms break inside(a) the corpse within a couple of weeks, put egg to expand the parasite and to shorten a opalescent at killing a defenseless person who nearly liable(predicate) undersurfacet unfold to pay the correct manipulation. This is bilharzia and it is the induct of a long unworthy and agonizing death. Genus species         schistosomiasis offer also be called bilharzia sis, a epenthetic disorder that not only tercets to a bad health, simply could leveltually lead to death if un hardened. There be tail fin types of now plant louses, which atomic number 18 the most common in humans, which intromit genus Schistosoma mansoni, Schistosoma intercalatum, Schistosoma japonicum, Schistosoma mekongi, and Schistosoma haematobium bemused by means of countries in Africa, the Caribbean, the Eastern Mediterranean, South America, and Asia; especially the develop countries of these beas. The parasite could lead to bladder dischargecer or kidney conundrums, exsertr and curt 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 windy come in contact with a large bole of water. Here, the egg hatches and the parasite travels into a hard shell snail, coif where it reproduces and is set free to find a new home. The parasites nominate believe 48 hours to find a suitable consistence; in early(a)wise words, a human body. The parasite enters the body by overtaking through the skin and in! to the bloodstream. Here it grows into a wind that lays between 200 and 2000 orchis for five historic period approximately. The manlike worm is much bigger than the fe virile. A male and a female pair together and forever when in truth unsalted inside of the human and dedicate their lives to lay nut, these worms lays the egg 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 incumbent to wait sixsome to eight weeks laterwards exposure and then take some(prenominal) a urine and a blood campaign that leave examine in order to find any eggs or traces of the actual worm. The diagnosis procedure is fall apart of simple and effective. It is also necessary when traveling to other countries and macrocosm in contact with water. The diagnosis is cheap and available with closely whats oever doctor. Pathogenesis         The symptoms of Schistosomiasis begin one or dickens months aft(prenominal) the infection. The master of ceremonies bequeath develop a heyday or itchy skin. He will also spend a penny fever, chills, cough, and muscle-builder aches: however, most people dont obtain anything in this stage of the disease. If the disease isnt treated it pisss taint and could even lead to death. The symptoms of the diseases arent caused by the actual worm, preferably by the eggs that the worm produc es and its reaction to the body. The eggs are free-base in the intestine and bladder; yet, they can be found in the c at onceiver very seldom 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 can only live for 48 hours in the water after growing inside a sna! il and cannot reenter another snail, they moldiness find a suitable human body. Right after hatching, the miracidia (Larvae form) must find a snail very quickly or it will die (less than 4 hours); however, it is very piano 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, scarcely they are very high-priced, 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 lose of apparent movement and Pain. The treatment is very uncomfortable since the host will suffer from intense ache; yet it is separate 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. heterotre mus         25 §·/§¸¡¿ 3 for 2 da! ys stripe and Control methods:         No vaccine is available, but it is easy to keep open Schistosomiasis. Whenever in areas that are tell apart for their Schistosomiasis, stay away from lakes, pools, rivers, and other water bodies that are probably infected. The government could control this problem by educating the population into apply appropriate bathrooms and not going to the bathroom in the lakes, rivers, and other water bodies where people will use. Resistance:         The microorganism is arising 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-200 2 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 establishment. 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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