Izinto Ongazazi Ngezinwele: Ake Sixoxe Ngokuningiliziwe!

Sawubona! Wake wazibuza ukuthi kungani sinezinwele eziningi kangaka emakhanda nasemizimbeni yethu? Akumangalisi yini? Sinezinwele cishe yonke indawo emizimbeni yethu, ngaphandle kwezindawo ezinjengezandla zethu, amathe, nezindebe. Sinezinwele futhi ngaphakathi kwamakhala ethu, ngaphakathi kwezindlebe zethu, naseduze kwamehlo ethu. Lezi zinwele aziyona nje into ebukeka kahle, zinemisebenzi eminingana eyabelwe zona. Namuhla, ake sixoxe ngalezi zinwele, ukuthi ziyini, zikhula kanjani, nokuthi kungani zibalulekile.

Kungani sinezinwele emizimbeni yethu? Ziyini izinzuzo zazo?

Insizakalo abayinikezayo iyahlukahluka kuye ngokuthi izinwele zikuphi. Cabanga nje, ngayinye yalezi zinwele inomsebenzi omncane. Okokuqala, ake sibheke izinwele ezisekhanda (ezinweleni) kanye nezinwele emzimbeni . Into eyinhloko ngalezi zinto ukusiza ukugcina imizimba yethu ifudumele. Uyakhumbula ukuthi amakhanda ethu athola ukushisa okungakanani ngosuku olubandayo ngenxa yezinwele zethu? Ngisho nezinwele ezinhle emizimbeni yethu ziyasiza ekugcineni ukushisa komzimba ngezinga elithile. Esikhathini esidlule, lapho abantu benezingubo ezincane, lezi zinwele kwakuyizinto eziyinhloko ezazibavikela emakhazeni. Okulandelayo, izinkophe . Nakuba lezi zincane kakhulu, zenza umsebenzi omkhulu. Cabanga uma uhamba emgwaqweni, zingaki izinhlayiya zothuli nezinambuzane ezincane ezizama ukungena emehlweni akho? Ngaleso sikhathi, lezi nkophe zivikela amehlo ethu. Zisebenza njengenetha elincane, zivimbela izinto ezifana nothuli nokungcola ukuthi kungangeni emehlweni. Njengezivikelo zemvelo zamehlo ethu. Uma sikhuluma ngamashiya , kufanele futhi sicabangele isivikelo ezisinikeza amehlo ethu. Kungakhathaliseki ukuthi ugeza noma ujuluka, izinkophe zivimbela amaconsi amanzi namaconsi okujuluka ukuthi angawi ngqo emehlweni. Zisebenza njengophahla oluncane. Akukhona lokho kuphela, la mashiya ayasiza ekunciphiseni umthelela wokukhanya kwelanga emehlweni ngezinga elithile. Ekugcineni, izinwele ezingaphakathi kwekhala (Izinwele Zasekhaleni) . Uma siphefumula, izinhlayiya zothuli, impova, nezinye izinto ezincane eziyingozi kithi endaweni ezungezile zizama ukungena ngekhala. Ngaleso sikhathi, lezi zinwele ezisekhaleni zisebenza njengesihlungi futhi zivimbele lezo zinto eziyingozi ukuthi zingangeni emaphashini. Ngakho cabanga ukuthi lezi zinwele ezincane zingasisiza kangakanani uhlelo lwethu lokuphefumula!

Ngakho-ke, uyaqonda? Izinwele emzimbeni wethu aziyona nje into eyenzeka ngokungahleliwe. Ngayinye yazo inomsebenzi wayo othize.

Uyini umuthi wezinwele? Ake sibheke ngaphakathi!

Kalula nje, i-hair shaft uhlobo lwe-fiber yephrotheni eqinile ehlanganiswe ngezingqimba phezu komunye nomunye. I-hair shaft esiyibonayo empeleni yakhiwe izingxenye eziningana eziyinhloko.

Izendlalelo Zentambo Yezinwele

Uma sisika umucu wezinwele, singabona izendlalelo ezintathu eziyinhloko.

• Isikhumba:Lolu ungqimba olungaphandle noluqinile kakhulu lokuvikela lwe-hair shaft. Lwakhiwe ngamaseli agoqene phezu komunye nomunye njengamathayela amancane. Le "cuticle" ivikela izingxenye ezibucayi ngaphakathi kwe-hair shaft ekulimaleni. Ukuthi izinwele zakho ziyakhazimula noma azicwebezeli kuncike empilweni yale "cuticle".
• I-Cortex: I -cortex ungqimba olungaphakathi kwe-cuticle olumboza ingxenye enkulu ye-hair shaft. Kukule ngxenye ye-hair shaft lapho iningi le-melanin, elibangela amandla nokuguquguquka kwe-hair shaft, kanye nombala wezinwele, libekwa khona.
• I-Medulla: Ungqimba oluphakathi nendawo ye-hair shaft, ungqimba olungaphakathi, lubizwa ngokuthi i-medulla. Kodwa-ke, le ngxenye ebizwa ngokuthi i-medulla ayibonakali kahle kuyo yonke i-hair shaft. Ingabonakali, ikakhulukazi emigqeni yezinwele emincane kakhulu. Odokotela nososayensi basacwaninga ngokusebenza kwayo ngqo.

Ifektri Yezinwele: I-Follicle

Uboya ngabunye bukhula busuka esakhiweni esincane esifana nesikhwama esifakwe esikhumbeni, ngaphansi nje kobuso besikhumba. Yilokhu esikubiza ngokuthi 'i-follicle'. Njengoba nje isitshalo sikhula ebhodweni, uboya bukhula ngaphakathi kwale 'follicle'. Ngaphansi kwale 'follicle' kukhona ingxenye ekhethekile ebizwa ngokuthi 'i-papilla' . Yilapho ukukhula kwangempela kwezinwele kwenzeka khona. Impande yezinwele, okungukuthi, ingxenye ethambile efana ne-bulb phansi kwezinwele, ingaphakathi kwale 'follicle'. Ingxenye ephuma ebusweni besikhumba futhi esiyibonayo ibizwa ngokuthi i-hair shaft .

Izindlala Zikawoyela Nazo Zixhunyiwe!

I-follicle ngayinye yezinwele ixhunywe kwenye i-gland encane. Lokhu kubizwa ngokuthi i-sebaceous gland . Amafutha akhishwa yilezi zindlala (okuthiwa i-sebum) ageleza phezulu emgodleni wezinwele futhi avimbele izinwele zethu nesikhumba ukuba zome. Lawa mafutha yiwo anika izinwele zethu ukukhanya futhi agcine isikhumba sethu sibushelelezi.

Izinwele zikhula kanjani? Kuyinqubo emangalisayo kakhulu!

Ukukhula kwe-hair shaft kuyinqubo eyinkimbinkimbi kakhulu, kodwa emangalisayo. Uyakhumbula ingxenye ebizwa ngokuthi i-'Papilla' engezansi kwe-'Follicle' esikhulume ngayo ngaphambili? Yilapho konke kuqala khona. I-'Papilla' ithola ukondleka kwayo emithanjeni yegazi engaphansi kwayo. Ngokusebenzisa lokhu kondleka, amangqamuzana e-'Papilla' aqala ukukhula amasha. Lawa maseli amasha ezinwele akhula kancane kancane, bese efa, futhi aqine. Le nqubo yokuqina ibizwa ngokuthi i-'Keratinization'.I-Keratin iyiprotheni enkulu etholakala ezintweni ezifana nezinwele nezinzipho zethu. Ngakho-ke, njengoba amangqamuzana amasha eqhubeka nokwakheka ngaphansi kwe-papilla, amangqamuzana amadala, afakwe i-keratin ayaphakanyiswa. Lokhu kusunduza nokucindezela ekugcineni kuphumela ekuphumeni kwezinwele ebusweni besikhumba. Kufana nefektri ekhiqiza umkhiqizo bese iwukhipha.

Ukukhula kwezinwele akupheli. Uma izinwele ziphuma, i-follicle entsha yezinwele iqala ukukhula (yize lokhu kungashintsha kwezinye izimo zezokwelapha, kodwa lesi yisimo esivamile).

Umbala kanye nokuthungwa kwezinwele kudalwe kanjani? Lokhu nakho kuyathakazelisa kakhulu!

Akuzona zonke izinwele zethu ezifanayo. Ezinye zinezinwele ezimnyama, ezinye zinezinwele ezinsundu, kanti ezinye zinezinwele ezibomvu. Ngokufanayo, ezinye zinezinwele ezibushelelezi neziqondile. Ezinye zinezinwele ezigobile noma ezigobile. Ake sibheke izizathu zalo mehluko.

Isizathu Sombala Wezinwele

Izinwele zithola umbala wazo ku-pigment ekhethekile ebizwa ngokuthi i-'Melanin' . Kunezinhlobo ezimbili eziyinhloko ze-'Melanin' ezinweleni zethu: 1. `Eumelanin' 2. `Pheomelanin' Umbala wezinwele zakho unqunywa inani lalezi zinhlobo ezimbili ze-'Melanin' ezinweleni zakho.

• Abantu abane- eumelanin eningi banezinwele ezimnyama (ezinsundu noma ezimnyama).
• Abantu abane -'Pheomelanin' eningi kanye ne-'Eumelanin' encane banezinwele ezibomvu .
• Abantu abanamazinga aphansi e -`Eumelanin` kanye ne-`Pheomelanin` banezinwele ezinombala okhanyayo (izinwele ezimhloshana) .

Kungenzeka ukuthi uke waphawula ukuthi izinwele zabantu abaningi ziba mpunga noma zibe mhlophe njengoba zikhula. Isizathu salokhu ukuthi njengoba sikhula, ama-follicle ethu ezinwele awasakwazi ukukhiqiza i-melanin kalula njengoba enza ngesikhathi sisebancane. Lapho ukukhiqizwa kwe-melanin kuncipha, umugqa wezinwele ulahlekelwa umbala wawo, okusho ukuthi uba mhlophe.

Ukuthungwa Kwezinwele

Uhlobo lwezinwele, kungakhathaliseki ukuthi ziqondile, zigobile, zijiyile, noma zincane, lunqunywa ukuma kwe-follicle yezinwele.

• Ngenxa yokuma kweminye imicu , izinwele ezigoqekile ziyavela kuzo.
• Izinwele eziqondile zivela kwezinye izinhlobo zama-follicle.
• Futhi, ngenkathi amanye ama-follicle ekhiqiza izinwele ezijiyile, amanye akhiqiza izinwele ezinciphile.

Zonke lezi zinto sizithola njengefa ngokwezakhi zofuzo.

Ngakho-ke, ake sikhumbule ukuthi sixoxe ngani? (Umyalezo Wokuya Ekhaya)

Ngakho-ke, sikhulume kakhulu ngezinwele namuhla, akunjalo?

• Izinwele aziyona nje into ekhona, zinemisebenzi eminingi.– Kusukela ekugcineni umzimba ufudumele, ekuvikeleni amehlo othulini, ekusebenzeni njengesihlungi sekhala.
• Umphini wezinwele wakhiwe ngamaprotheni , futhi unezendlalelo ezintathu eziyinhloko: i-cuticle, i-cortex, kanye ne-medulla.
• Izinwele zakheka esakhiweni esincane esifana nesikhwama esibizwa ngokuthi i-'follicle' esikhumbeni, engxenyeni ebizwa ngokuthi i-'papilla'.
• Umbala wezinwele unqunywa yi-pigment ebizwa ngokuthi "i-Melanin" .
• Uhlobo lwezinwele (kungakhathaliseki ukuthi ziqondile noma zigobile) lunqunywa ukuma kwe-follicle .

Ukunakekela izinwele zakho nokuzigcina ziphilile kubaluleke kakhulu. Manje njengoba usuyazi ukuthi lezi zinwele ziwusizo futhi zibaluleke kangakanani emzimbeni wethu! Ngiyethemba ukuthi lolu lwazi luwusizo kuwe.

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Izinwele, Ukukhula Kwezinwele, Umbala Wezinwele, Ukwakheka Kwezinwele, I-Follicle, i-Melanin, i-Keratinization