understanding and kind Nemathelminthes

understanding and kind Nemathelminthes (roundworms) Nemathelminthes derived from the word meaning thread and hemins nematos yan meaning worm. These worms are commonly called worms gilik.

    The characteristics
    Nemathelminthes can be found in terrestrial, freshwater, seawater and regional poles to the tropics. Free life, if that is parasitic on plants and animals do not have a circulatory system and the heart, but his body fluids containing blood senacam that can seep into the body. Gilik long body shape with bilateral symmetry. His body does not have cilia and not segmented, lined by cuticle transparent.
    Members of the phylum NemathelminthesContoh famous Nemathelminthes other anata:
a. Ascaris lumbricoides (roundworm)
Ascaris generally live as parasites in the human gut. These animals bersiat cosmopolitan (found everywhere). Especially in the tropics. And menyebabapkan disease known as ascariasis.
Elliptical shape of the body part that is tapered ends. The mouth is located at the anterior end and is equipped with 3 lips. Body of female worms was bigger and longer than male worms. Diameter is relatively straight female worms. While the male worms have a curved posterior end.
The life cycle of roundworms
Yan eggs fertilized out into free with feces. If the egg is ingested with food or drink, then in the small intestine of these eggs will trickle into tiny larvae. After redeeming the intestinal wall. These larvae with the blood flow to the lungs and to the heart of the shoes. The larvae can reach the trachea and then swallowed again and again samapai in the small intestine and grow into adult worms.
b. Ancylostoma (hookworm)
This worm parasites in the intestines of humans and many dijumapai in mining areas, especially in hot climates. The worms suck blood so it can mengakibatkab death.
With tips yangmendapat its mouth, the worm is attached firmly in the gut. FISH worm body length 1-15 cm.
Which referred hookworm, Ancylostoma doudenale example, there is in tropical regions of Africa and Asia. Other species are Necator Americanus found in America.
Hookworm life cycle
Adult worms are ektroparasit in the human intestine. In appropriate areas, namely soil moisture, the fertilized egg will drip and within seharari produce larvae. These larvae can penetrate human skin through bare feet skin. Together bloodstream, the larvae till the heart and lungs. From the lungs, the larvae penetrate the walls of the lungs until ketrakea then kefaring. Then larfa entered again into the small intestine and grow into adult hookworms. Adult male and female worms can perform marriages.
c. Oxyurius vernicularis (pinworms)
Oxyurius vernicularis (Enterobius termicularis) live in the large intestine, the female worms anatara 9-15 mm in length, at the time of laying eggs, the female worm toward the anus to obtain the oxygen needed for the growth of the larvae. This worm movement causes intense itching in the anus. When scratched with a nail, then the egg is embedded in the nail. The food which is handled by containing worm eggs causing participate swallowed worm eggs. (Mainly in children). Worms carried through the digestive tract till keusus great. In the large intestine worms grow into adults and can beremban multiply.
d. Wuchereria bancrofi (filaria worms)
Filarial worms have a host of temporary animal arthropods, such as mosquitoes, and inng keep the man in the lymph vessels.
e. Trichinela spiral (worm muscle)
This worm disease causing trichinosis in humans, pigs, or rats. Masukketubuh human parasites through pork undercooked. In the human intestine, the larvae develop into young worms. Keotot young worms move through the lymph vessels or blood and then into adult worms. To prevent infection by this worm, the meat should be cooked till the ripe young worms to turn off.
f. Heterodera radicicola
These worms live on plant roots and cause the or swelling at the root.