Kodi khungu limapangidwa bwanji?
Kuyang'anitsitsa kapangidwe ka khungu kumawonetsa magawo atatu osiyana:
1. epidermis,
2. dermis ndi
3. subcutaneous wosanjikiza.
Dermis ili pamwamba pa subcutaneous wosanjikiza ndipo kwenikweni imakhala ndi zingwe zotanuka, zomwe zimalumikizana mozungulira komanso mopingasa, zomwe zimapatsa mphamvu kwambiri.Mitsempha ya magazi imathera mu dermis, pamene thukuta ndi sebaceous glands komanso tsitsi la tsitsi limakhalanso pamenepo.
The basal cell wosanjikiza ali mu epidermis pa kusintha pakati pake ndi dermis.Chosanjikiza ichi nthawi zonse chimapanga maselo atsopano, omwe amasunthira mmwamba, kuphwanyidwa, kukhala chimanga ndipo pamapeto pake amachotsedwa.
Kodi Tanning ndi chiyani?
Ambiri aife timaona kuwotchedwa kwa dzuwa kukhala chinthu chosangalatsa kwambiri.Kutentha ndi kumasuka kumatithandiza kukhala osangalala.Koma kwenikweni chimachitika ndi chiyani pakhungu?
Kuwala kwa dzuwa kumakhudza mitundu ya melanin mu epidermis.Izi zimadetsedwa ndi kuwala kwa UVA pakuwala.Ma melanin pigment amapangidwa ndi maselo apadera omwe ali pansi pa khungu lotchedwa melanocytes ndiyeno amasuntha ndi maselo ozungulira pamwamba.Mitundu yakudayi imatenga mbali ina ya kuwala kwa dzuwa ndipo motero imateteza zigawo zakuya zapakhungu.
Mitundu ya UVB ya kuwala kwa dzuwa imalowa mkati mwa khungu ndipo imagwira ntchito pa melano-cyte.Izi zimalimbikitsidwa kupanga mitundu yambiri ya inki: motero kupanga maziko a tani yabwino.Panthawi imodzimodziyo, kuwala kwa UVB kumapangitsa kuti nyanga (callus) ikhale yolimba.Kukhuthala kumeneku kumathandizira kuteteza khungu.
Ndi zotsatira zina ziti zomwe dzuwa limakhala nalo kuposa kuwotcha?
Kutsitsimula kwa kuwotcha kwa dzuwa kumachokera osati kokha chifukwa cha kutentha ndi kumasuka komwe kumakhalapo komanso ku mphamvu ya kuwala kowala;aliyense amadziwa bwino momwe chilimwe chitha kubweretsa.
Kuphatikiza apo, milingo yaying'ono ya UVB imalimbikitsa njira za meta-bolic ndikulimbikitsa mapangidwe a Vitamini D3.
Dzuwa limabweretsa zabwino zambiri:
1. kulimbikitsa mphamvu zakuthupi
2. kulimbikitsa chitetezo cha thupi
3. kusintha kwa magazi
4. Kupititsa patsogolo katulutsidwe wa okosijeni ku minofu ya thupi
5. opindulitsa mchere kagayidwe kudzera bwino kotunga kashiamu
6. kupewa matenda a mafupa (mwachitsanzo, osteoporosis, osteomalacia)
Kupsa ndi dzuwa ndi chizindikiro chimodzi chotsimikizirika kuti khungu lavumbulutsidwa mopitirira muyeso ndipo liyenera kupewedwa zivute zitani.
Kodi kuwala kwadzuwa ndi chiyani?
Kuwala - makamaka kuwala kwa dzuwa - ndi gwero la mphamvu zomwe popanda moyo sungatheke.Physics imalongosola kuwala ngati ma radiation a electromagnetic - ngati mafunde a wailesi koma pama frequency osiyana.Kuwala kwadzuwa kumakhala ndi ma frequency osiyanasiyana omwe timatha kuwona pogwiritsa ntchito prism, monga mitundu ya utawaleza.Koma sipekitiramu sikutha pa wofiira ndi buluu.Kufiira kumabwera ndi infra-red, yomwe timamva ngati kutentha, pambuyo pa buluu ndi violet pamabwera kuwala kwa ultraviolet, komwe kumapangitsa khungu kukhala lotentha.
Kuwotchera dzuwa kunja kapena mu solarium - pali kusiyana?
Kuwala kwa Dzuwa, kaya kumachokera pakhoma kapena kumwamba, kumakhala kofanana.Palibe chinthu chotchedwa “kuwala kochita kupanga” m’lingaliro lakuti n’chosiyana kwambiri ndi kuwala kwa dzuwa.Ubwino umodzi waukulu wa ma sunbeds, komabe, ndikuti zigawo zamtundu uliwonse zimatha kusinthidwa ndendende malinga ndi zosowa za wogwiritsa ntchito.Komanso, palibe mitambo kutsekereza dzuwa pa sunbed kotero mlingo cam nthawi zonse molondola.Ndikofunika kuonetsetsa kuti panja ndi pa sunbed kuti khungu lisakhale lodzaza.
Kupukuta popanda kuwotcha - zimagwira ntchito bwanji?
Kuwala kwa dzuwa kumatha, kuwonjezera pa kufufuta komwe kumafunidwa, kumayambitsanso khungu lofiira, erythema - mu mawonekedwe ake.
mawonekedwe oyipa, kutentha kwa dzuwa.Pakuwotha kamodzi padzuwa, nthawi yofunikira pakuwotchera ndi yotalikirapo kuposa yofunikira kuti khungu likhale lofiira.
Ngakhale zili choncho, ndizothekanso kukhala ndi chiwombankhanga chabwino, osawotcha - mwa kungowotha ndi dzuwa nthawi zonse.Chifukwa cha ichi ndi chakuti thupi limachepetsa magawo oyambirira a khungu lofiira mofulumira, pamene tani nthawi zonse imadzimanga yokha kupyolera mukuwonekera mobwerezabwereza.
Pa sunbed mphamvu yeniyeni ya kuwala kwa UV imadziwika.Chifukwa chake ndondomeko yotenthetsera khungu ikhoza kusinthidwa kuonetsetsa kuti munthuyo ayima asanawotchedwe ndiyeno kuti khungu labwino limapangika chifukwa chowonekera mobwerezabwereza.
Nthawi yotumiza: Apr-02-2022