Hello friends of steemit, today I want to share with you part of my knowledge since many of his children must be presenting these symptoms and it is necessary to know which is his principal factor.
The anal pruritus is caused principally by Enterobius vermicularis who is a very frequent helminto in children from 3 to 12 years of age, that is to say that is a parasite in the shape of worm, cylindrical body and does not possess articulated members. The same one is of wide world distribution though it prevails in temperate regions. It causes a disease called Oxyuriasis since it belongs in his classification taxonómica to the order Oxyurida, family Oxyuridae.
As for his morphology we can indicate that it is to meet, that is to say animal invertebrate of smoothed or tubular form, meromiario (few muscular cells), of whitish color transparentoso that allows to visualize the internal characteristics of the parasite as the bulb esofágico and in the female the uterus full of eggs, the same one to measure from 8 to 13mm of length for 0,5mm of diameter and his later end to be straight and sharp-pointed unlike the macho who measures from 2 to 5mm of length for 0,3 mm of diameter, which an espícula presents in his later end. Both present in the previous end three lips and to every side of the mouth they present 2 expansions cuticulares in the shape of cervical fins as well as also they present an alimentary canal in the one that highlights the bulb esofágico.
The eggs of E. vermicularis are transparent, oval, present a smooth cuticle with a smoothed face and convex other one, in such a way that it makes alike a letter "D", it measures approximately 50 microns of length and in his interior they present a U-shaped embryo.
The route of penetration is passive oral (anus - mano-boca) or for the ingestion of contaminated food.
Live of these vermes it is the intestinal light to level of the blind person and appendix, later we will explain the evolutionary cycle for his better comprehension:
-The eggs embrionados are consumed by the human beings.
- The larvas go out of the egg (eclosionan) for the action of the intestinal juices and suffer 2 sheds to level of the intestinal crypts (yeyuno and íleon) this way to turn into adults to level of the blind person and of the appendix.
-The female migrates towards the anus in the night and crawls leaving a row of eggs that by means of a sticky substance segregated by the parasite he sticks fast to the skin.
- Oviponen approximately 12.000 daily eggs, these evolve with rapidity inside the large intestine or in the region perianal and in 6 hours already the eggs are infectantes.
¿Symptoms?
The majority of the persons are asymptomatic but they can present slight symptoms as the anal pruritus. It is possible to present insomnia and irritability for the anal pruritus that takes place. In the girls it can cause pruritus vulvar.
I diagnose If you realize that your son presents anal pruritus the most advisable thing it is that you check and make an examination of dregs in the laboratory confirm this way this parasitosis and your doctor of confidence could establish a diagnosis in time.
You can prepare this parasitosis increasing your habits of personal hygiene, washing frequently the hands, supporting the short nails and changing frequently the ropa of the bed.
I expect to receive his support and suggestions up to the next one!
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