I-Ascaris iyinhlangano enkulu ye-round helminth yokujikeleza kwayo emzimbeni wesithwali esisodwa esingaphansi konyaka. Ama-parasites atholakala kaningi kubantu. Kwabiwa emhlabeni jikelele. Kulesi simo, iningi lazo libhekwa eJapane ngenxa yokusetshenziswa kwezinhlanzi eziluhlaza njalo. Emzimbeni ovamile, abantu abangaba ngu-20 bahilelekile. Nakuba kwakukhona amacala uma kunezibungu ezingaphezu kwamakhulu ayisishiyagalombili ezitholakala ngaphakathi komuntu. Angabangela izinkinga hhayi emathunjini kuphela, kodwa emzimbeni wonke.
Umjikelezo wokuphila wezokuthuthukiswa kwama-ascaridine omuntu
Ukwelashwa komzimba kwenzeka lapho i-larva ingena emathunjini. Lokhu kwenziwa kanye nemifino engahlanjululwa, izithelo nezinye ukudla. Khona-ke amagobolondo amaqanda ayalahlwa. Ngosizo lwenqubo encane, i-parasite igoma emdongeni wamathumbu amancane, ukusuka lapho ingena khona emithanjeni yangakini. Emva kwalokho, ufinyelela esibindi nasenhliziyweni. Izitsha ezincane zingena emaphashini. Emva kwalokhu, ukukhwehlela kubangelwa , okwenza i-ascaris ibe emgodini womlomo. Ingxenye igxuma ngamathe emathunjini. Kulolu hlelo lokujikeleza kwamaqanda ama-ascarids emiphumeleni yabantu. Kodwa ukukhula kwe-parasite egcwele iqhubeka.
Kukhona ukwakheka kwabantu abadala. Isibungu singena emathunjini amancane, lapho siqhubeka khona. Isibungu esisodwa singaphila emzimbeni cishe unyaka owodwa. Kulokhu, ukuzitholela-njalo njalo kwandisa inani lezibungu emzimbeni womuntu. Ngakho-ke, ascaris angagula iminyaka eyishumi.
Imifino esiteji sokuqala sokudla okuthuthukiswayo kumasethini egazi abomvu aqukethwe egazini. Iqiniso liwukuthi liqukethe umthamo omkhulu we-oxygen. Njengoba kudingeke ukwanda, kudingeka. Lokhu kunquma umbala wezinambuzane: uma besesigaba esisebenzayo - obomvu, futhi uma kwenzeka ukufa - kucwebezela.