PHYLUM -ASCHILMINHES Wuchereria
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Answer:
It's a WORM
Parasitic in nature , This worm infects a particular part of a body and make it swell to very high limit .
Once it has occurred,it's only cure is to cut out that part .
Eating a DEWORM capsules once in six months is the best precaution in it..
Explanation:
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Answer:
Wuchereria bancrofti is commonly known as filarial worm. This worm causes filariasis in humans. Demarquay first discovered the larval form of this worm; later Wucherer found these larvae in the chylorous urine. Lewis found them in human blood and Bancroft found the adult females. The name of this worm is given Wuchereria bancrofti in honor of the two scientists Wucherer and Bancroft who made considerable contribution in studying the disease caused by these worms.
Distribution: This pseudo coelomate round worm is spread throughout the world except in Polar Regions. It is prevalent in India, Arabia, Malaya, Korea, japan, Brazil and south pacific islands. It is relatively absent in Europe, North America and Africa.
Habit and habitat: This filarial worm is dreadful human parasite residing in the human blood and lymph. It is digenetic parasite requiring two hosts to complete its life cycle. The two hosts are man and female culex mosquito. The adult worms are harbored in a coiled state in human lymph glands and lymph passage. These worms obstruct the passage of the lymph.
Structure of Filarial worm: The body of adult filarial worm is elongated, narrow, filiform and cylindrical in shape. These worms are creamy white in color. Anterior ends terminate bluntly whereas the posterior end is a little pointed. The male and female worms are found coiled round each other in the lymph vessels.
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A mouth with no oral lips is present at the anterior end. The alimentary canal of this worm includes mouth, pharynx, oesophagus, intestine and anus. The anterior part of the pharynx is muscular and the posterior part is glandular. Wuchereria bancrofti is a unisexual worm exhibiting sexual dimorphism.
The female worms are slightly longer and thicker than that of their male counterparts. Each female worm measures around 65-100mm in length and 0.25 mm in diameter. The posterior end of the female is straight and bears anus. The female genital pore also called as vulva is present ventrally at about one third length of the body from the anterior tip.
Male worms are comparatively smaller and thinner than the females. Each male filarial worm measures around 40 mm in length and 0.1 mm in diameter. The posterior end of the male worm s curved bearing cloaca in this region. A pair of unequal penial setae or copulatory spicules is present in cloacal or curved region. Many copulatory papillae are present in the posterior region.
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