Pinworm represents a small worm of white color. The length female amount to 10 sm, самца - 5 mm. The hind part of a body male is twirled on the belly side, at female subulate is pointed.
Female structure of pinworm :
1 - mouth;
2 - gullet;
3-6 - part of reproductive system;
7 - anus;
On the forward part of a body pinworms is the swelling which surrounding an oral aperture and has named the name «vesicula». With its help pinworm it is attached to a wall of intestines. The reproductive system pinworms is typical for all class hook-worm. Worms eat gastric contents and are capable to swallow blood. Pinworms eggs is oval, with a colorless environment. One side of an oval is applanate, another convex.
Pinworms live in a blind gut and an appendix of the person, not causing any painful symptoms. At removal of the inflamed appendix sometimes find therein these helminths, but no proofs of their participation in inflammatory process till now are no.
Life cycle pinworm begins with fertilisation female in intestines of the owner. More often pinworms appear at children of younger age, but it does not mean, that adult people cannot be ill. Female pinworm creeps out of anus and postpones eggs (up to 13 000 pieces) on a skin of buttocks and thighs, pasting them.
The person tests a strong itch and combs a skin, thus pinworm eggs get to him hands and under nails. After that they are easily transferred on toys and other things, and also get in a mouth of the person.
The special microclimate is necessary for the further development of pinworm eggs with temperature 34-36 degrees centigrade and high humidity (70-90 %). Suitable conditions for this purpose in perineum the person and perianal folds.
There in 4-6 hours of pinworm egg ripen. Having got under nails of the owner, an egg too find there optimum conditions for the further development. In intestines inside of eggs ripen larvas which within 2-4 weeks develop in adult individuals. Then all cycle repeats again.
It is clear, that in infection of the person with pinworms the leaging role is carried out with dirty hands. Therefore children of younger age visiting preschool establishments are ill a enterobiasis more often others. The basic attribute of presence in an organism pinworms is the itch in the field of anus.
This phenomenon arises more often during evening and night time. Parents should observe closely of a dream of the child and at occurrence of this attribute immediately to take measures to carrying out dehelmintization.
It is necessary to remember, that research of the excrement does not give result for statement of the diagnosis «enterobiasis» as pinworm postpone eggs outside an output from a rectum. The exact diagnosis can be established only at research of the scrape from an integument near anus. Female pinworm, having postponed eggs, usually perish.
As preventive maintenances and therapy is recommended using complex "Ceppinga" and antiparasitics phytocomplex.
