Sidee jeermiska cudurada keena u soo galaa jirkeena?
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Maqaarkaagu waa xayndaab difaac oo cajiib ah oo ka hortagaya in badan oo jeermiska cudurada keena ee maalin walba isku daya inay jidhkaaga galaan. Kaliya markaad maqaarkaaga ka furto – sida dhaawac, jeexmid ama xoqid – ayaa jeermisku u badan yahay inuu halkaas galo. Jeermisyada badankoodu waxay ka soo galaan afkaaga iyo sankaaga, iyaga oo ku sii fogaynaya jidhkaaga siina maraya habka neefsashada ama dheefshiidka . Laakiin markaa, kiimikooyinka qaarkood ee ku jira unugyada jidhka iyo dareeraha ayaa ka ilaaliya jeermiska waxyeellada leh inay keenaan dhibaatooyin [cuduro]. Marka infekshanku bilaabmo – oo uu jeermisku ku bato gudaha jidhkaaga – habka difaacaaga ayaa la boodaa ficil si uu uga takhaluso noolaha shisheeye. Unugyada dhiigga cad-cad waxay soo saaraan maaddooyin gaar ah oo loo yaqaanno unugyada difaaca jirka kuwaas oo weerarana burburiyana kuwa soo duulay, kaana caawinaya inaad soo kabsato.
Nidaamka difaaca jirka waxa uu jirka bini’aadamka ka ilaaliyaa jeermiska, kuwaas oo ah microorganisms oo keena jirro iyo cudurro. Waxaa jira afar nooc oo jeermis ah – bakteeriyada waxyeelada leh ( pathogens ), fayrasyada , fungi , iyo protozoa . Nidaamkan difaaca wuxuu ka bilaabmaa maqaarka, kaas oo joojinaya jeermiska inuu galo dhiiggaaga ama unugyadaada. Haddii jeermisku jidhkaaga galo, tusaale ahaan sankaaga ama afkaaga, unugyada dhiiga cad ee loo yaqaan phagocytes iyo lymphocytes ayaa weerara iyaga. Phagocytes waxay soo indha indheeyaan oo burburiyaan kuwa soo duulay, lymphocytes waxay xusuustaan kuwa soo duulay waxayna sii daayaan kiimikooyinka loo yaqaan ‘ antibodies ‘.si uu jidhku u adkaysto, ama u difaaco iyaga. Unugyada dhiigga cad waxay ku nool yihiin dhiigga habka lymfatic, iyo beeryarada.
Nidaamka lymfatic (ama habka lymfa, marka la soo koobo) waa shabakad aad u fog oo ku fidsan jirkaaga oo dhan. Dareere saafi ah oo la yiraahdo limf ayaa ku socda nidaamka oo dhan, isaga oo unugyada jidhka ku dhaqaya nafaqo iyo biyo oo ogaanaya kana saaraya cudur-sidaha. Lymph waxaa lagu sifeeyaa qanjidhada kadibna u gudubta dhiiga jidhka.