Yiyiphi inene iinqwelo ezinqamlekileyo, libonakala nini njengento yesibini yesini, kwaye ihluke njani kwiinwele ezivelayo?
Ziyini Iintaba Zomzimba?
Izinwele zentambo zizinwele ezilukhuni, ezide, eziluhlaza, ezifunyenwe kwi-scalp, ubuso, i-armpits kunye nendawo ye-pubic. Ukukhula kweenwele eziphelileyo kuthonywe ngama-hormone.
Umvelaphi weeNwele zesikhumba
Kukho izinwele zeenwele kuwo wonke umzimba.
Kwiintlobo zeentolisi ziyi-cell stem, imithwalo yegazi, iimbonkqo ezinqabileyo kunye neenwele. I-follicle iphakathi kwesibini kwesikhumba : i- dermis . Le nxalenye ephilileyo yeenwele. Izinwele zangaphandle -oko kukuthi, iinwele onokuzibona-ziyabulala.
IVellus Hair
Ngaphandle kweentendelezo zezandla, iingqatha zeenyawo kunye nezicubu ezinamaqabunga, umzimba wonke uphelelwe ngeenwele ze-vellus . Izinwele zeVellus , ezibizwa ngokuba yi-peach fuzz, zincinci, zifutshane kwaye zilubala. Ngokungafani neenwele ezisezantsi, ukukhula kweenwele ze-vellus akuchaphazelwa ngama-hormone. Izinwele ezinqabileyo zicingelwa ukuba zikhonjiswe ngokubaluleka komzimba.
Ukuguqulwa kweeVellous Hair
Ngethuba lokuphelelwa komntwana, amazinga e-hormone akhulayo enza ukuba iwele zenteliti ziphenduke zibe ziinwele eziphelileyo kwiindawo ezithile zomzimba. Amalungu ahlukeneyo omzimba anamaqondo ahlukeneyo ovakalelo kula ma hormone, aziwa ngokuba yi- androgens . Ukuphuhliswa kweenwele zesigxina kuthathwa njengempawu zesini zesibini.
I-Androgens yaziwa njenge-hormones yamadoda kuba abesilisa bavelisa kwaye basebenzisa i-androgens, njenge-testosterone, ngaphezu kwama-females. Nangona la ma-hormone athi "yindoda" ayenamaqhawe-adlala indima encinci-ayimfuneko ekuphuculweni komzimba kunye nokuziphatha ngokwesini.
Ingxenye yomzimba ophendule kula ma hormone ziquka indawo ye-pubic kunye neempondo, ezenzekayo kubini abesilisa nabesifazane.
Amabhinqa agcina ngaphezulu kweenwele ze-vellus, ngelixa abesilisa bahlakulela izinwele kwiindawo ezininzi zomzimba, kubandakanywa, kodwa kungaphelelanga ubuso, isifuba, imva, imilenze, iingalo, izandla kunye neenyawo.
Amanyathelo okuKhula kweeNwele zeComminal
Ubushushu buqala ngokufana nabafana abaphakathi kweminyaka eyi-9 no-15, kunye namantombazana aphakathi kweminyaka eyi-8 no-14. Kwindoda, iinwele ezigqityiweyo zivela kwiminyaka yeshumi elivisayo, nangona apho iinwele zibonakala ziguquka.
Kwimigangatho yokuqala yobushushu, ukukhula koboya bezinwele kugxininiswe kwindawo ye-pubic (ngokuqhelekileyo iqala kwisiseko sepenisi) kunye neempondo. Ezinye iinwele zobuso zivela ekuqaleni, kodwa zizaliswa ngethuba lokugqibela lokusasa, ngokuqhelekileyo kusekuqaleni kwe-20s. Abafazi banokulindela ukuhlakulela iinwele ezinqamlekileyo zomlenze kunye neenwele eziphelileyo kwindawo yokushicilela kunye neengcambu ngexesha le-adolescence.
Ukunyuka kweeNwele zoThutho
Ukukhula kweenwele zesikhashana akusoloko kwenzeka njengoko kufanelekile. I-pituitary gland ifihla i-hormone eqala ukukhulelwa, kuquka i-hormone ye-luteinizing, i-androgens, kunye ne- progesterone kuma-female. Ukuba la mahomoni awafihliweyo, ubuntwaba abukwazi ukuvela. (I-hormone yeLuteinizing eyenziwa kwi-pituitary gland iphinde ivuselele i-estrogens kwi-ovary yabasetyhini kunye ne-testosterone ukusuka kwamathambo kumadoda.)
Ukunyuka kweeNwele zoThutho
Ama-10 ekhulwini kwabasetyhini bafumana imeko eyaziwayo njenge- hirsutism . Ngokumalunga nokugqithiswa kwee-orrogens phakathi kwezinye iimeko, i-hirsutism ibhekisela ekukhuleni kweenwele kwabasetyhini kunokuba kubonakale okunjalo kumadoda. Abafazi abanesifo se-hirsutism bangahlakulela iinwele zobuso (njengamadevu) kunye neenwele ezongeziweyo kwimida yazo kunye nommandla wesini somzimba.
Ukukhula kobuNwele beThuba lokuQala
Kwezinye iimeko, iinwele ezigqityiweyo ziqala ukukhula ngaphambi kokuqhelekileyo. Isizathu esithile sokubanjwa kwangaphambi komntwana (ngaphambi kokusweleka kwangaphambili) kubesilisa kunye nabasetyhini abakwazi ukuchongwa, kodwa sele kudibene neengxaki ze-hormonal kunye nokuvezwa kwee- hormone zangaphandle (i- estrogens kunye ne-testosterone) ngento efana ne-opiety.
Ukungabikho koKhula kweeNwele zoTywala
Kwezinye iimeko, iinwele eziphelayo azikhuli. I-Genetics idla ngokusoloko ityala, kodwa nayo ibangelwa yisifo sikashukela, isifo sesifo, isifo se-asthma kunye nokungaqhelekanga kwi-thyroid ne-pituitary gland.
Ukukhuthazwa koKhuselo lweeNwele zoThutho
Kubalulekile kulabo abasemagunyeni anjengeMinoxidil ezinokukhuthaza ukukhula kweenwele ukuze wazi ukuba la mayeza angakhuthaza ukukhula kweenwele eziphelileyo ebusweni, emagqabini, kunye nase-groin. Ngamanye amagama, ukuba imithi ibangele ezinye iinwele entloko yakho kuya kufuneka ukuba uhlambe ngokuphindaphindiweyo.
Kutheni ezinye iinwele zesikhumba zifutshane?
Ngokungafani neenwele eziphezu kwentloko yakho, isigaba esikhulayo seenwele ezinqamlezileyo ezinxulumene neempawu zesini zesibini (anaphase), zifutshane, kwiinyanga eziliqela kuneenyanga ezimbini ukuya ezintandathu zeentloko. Ngenxa yeso sizathu ubunwele obunakho kummandla wakho okanye kwingingqi ye-pubic aluzange lude nje njengeenwele entloko yakho.
I-Terminal Hair njengoko Sigula
Ngokungafani nebala eliqhelekileyo lendoda elandelwayo, inwele engapheliyo ekhulayo ebusweni, kwiindawo ezivuthayo, nakwindawo ye-pubic ivame ukuqhubeka ikhula. Ngenxa yesi sizathu, indoda ingagqithisa ngokupheleleyo phezu kombhede wayo kodwa iyakwazi ukukhulisa intshebe.
Umthombo:
UKasper, uDennis, u-Anthony Fauci, uStephen Hauser, uDan Longo, noJameson. Iinqununu zeHarrison zeMithi yoPhakathi. ENew York: iMacGraw-Hill Education, 2015. Phrinta.