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ZOIQA

zoikaZOIQA (Gustus), chashoi, maza, tam, yake az hisshoi panjgona. Tam chahor nav meshavad: tursh, shur, shirin va talkh. Hama guna tamhoi digar dar natijai omezishi in chahor maza paydo meshavand. Tam dar qismhoi gunoguni zabon ehsos megardad, mas., nugi zabon – tami shirin, nug va kanorhoi on – tami shur, kanorho – tami tursh, bekhi zabon – tami talkh. Ehsosi tam dar natijai aksulamalhoi makhsusi khimiyavi, ki binobar tasiri mutaqobili moddahoi mazkur bo retseptorhoi Z. ba vujud meoyand, paydo meshavad. Takhmin mekunand, ki har yak retseptor safedahoi nihoyat hassos dorad va onho hangomi tasiri tamhoi gunogun sokhtori khudro tagyir medihand. Angezish az retseptorhoi Z. ba silsilai asabi markazi tavassuti torhoi asabhoi zabonu balum va tabli intiqol meyobad; onho az retseptorhoi gunoguni zabon mansha girifta, ba magzi darozruya meravand, sipas az tashkilai turmonand va talamus guzashta, ba qishri nimkurahoi kalon mepayvandand. Majmui retseptorhoi Z., rohhoi intiqoli angezish va unsurhoi qishrii hissi tam analizatori Z.-ro ba vujud meorad. Z. vobasta ba sinnu sol yo dar mavridi baze bemoriho tagyir meyobad.
Z. binobar osebi retseptorhoi marbuta, rohi intiqol yo markazi asabhoe, ki faoliyati onro idora mekunand, khalaldor meshavad. Nojurihoi mazkur binobar bo halolati gafs pushida shudan yo zakhmu iltihob paydo kardani zabon, zarar didani asabhoi zabonu balum, setora, gumroh va ruy, omosi mayna, osebi kosakhonai sar, bemorii shuoi padid meoyand. Ba nosomonihoi Z. hissi barziyod (gipergevziya) yo baraks, susti tam (gipogevziya) va yo tamoman ehsos nakardani on (agevziya) mansuband. Hangomi disgevziya (tahrifi maza) bemoron ba istemoli ohak va gil barin moddaho, ki baroi odamoni solim nafratovar ast, khohish paydo mekunand. Dar mavridi paragevziya ehsosi karakht shudanu sikh zadani zabon paydo meshavad, ki ba angezahoi beruni vobastagi nadorand; onho mumkin ast binobar khudtalqin niz ba vujud oyand. Tavahhumoti zoiqavi dar bemoroni ruhi va hangomi osebi (yo angezishi) markazi zoiqavii hissai chakagii magzi sar mushohida meshavad. Tadqiqi analizatorhoi zoiqavi va ikhtiloli Z. ahamiyati tashkhisi dorad.

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