Kodi kwenikweni tsitsi lochedwa, ndi liti pamene likuwoneka ngati chachiwiri, ndipo limasiyana bwanji ndi tsitsi lopweteka?
Kodi Tsitsi Lamtundu N'chiyani?
Tsitsi lakumapeto ndi tsitsi lakuda, lalitali, lopangidwa ndi tsitsi lomwe limapezeka pamphuno, nkhope, ziphuphu ndi malo osambira. Kukula kwa tsitsi lakufa kumakhudzidwa ndi mahomoni.
Chiyambi cha Tsitsi Latha
Pali zilonda za tsitsi lonse m'thupi.
Mu ma follicles ndi maselo ofunika, mitsempha ya mitsempha, zotupa zowonongeka komanso, tsitsi lake. Mapulogalamuwa amapezeka mkati mwachiwiri cha khungu : dermis . Ili ndilo moyo wamoyo . Tsitsi lakunja -lomwe ndi tsitsi limene mungathe-lili lakufa.
Vellus Hair
Kuwonjezera pa manja, manja ndi mapazi a mucous, thupi lonse la munthu liri ndi tsitsi la vellus . Tsitsi la Vellus , lomwe nthawi zambiri limatchedwa peach fuzz, ndi loonda, lalifupi komanso lofiira. Mosiyana ndi tsitsi lomaliza, kukula kwa tsitsi la vellus sikungakhudze mahomoni. Tsitsi lofewa limagwiritsidwa ntchito ngati kutsegula thupi.
Kusintha kwa Tsitsi Labwino
Panthawi yotha msinkhu, kuchuluka kwa ma hormone kumapangitsa vellus tsitsi kuti likhale tsitsi losatha m'madera ena a thupi. Mbali zosiyana za thupi zimakhala ndi masinkhu osiyanasiyana okhudzidwa ndi mahomoni awa, otchedwa androgens . Kukula kwa tsitsi lotsekemera kumatengedwa ngati khalidwe limodzi lachiwerewere.
Androgens amadziwika kuti mahomoni amphongo chifukwa amuna amapanga ndi kugwiritsa ntchito androgens, monga testosterone, kuposa akazi. Ngakhale kuti mahomoni omwe amadziwika kuti "amphongo" amakhalapo ndi akazi-amakhala ndi gawo laling'ono-ali ofunikira mu kukula kwa thupi ndi kugonana.
Ziwalo za thupi zomwe zimayankha mahomoni amenewa zimaphatikizapo pubic m'deralo ndi zam'mimba, zomwe zimachitika mwa amuna ndi akazi.
Amuna amavala tsitsi lawo, pamene amuna amatha kukhala ndi tsitsi m'magulu ambiri a thupi, kuphatikizapo, koma osati kumaso, chifuwa, kumbuyo, miyendo, mikono, manja, ndi mapazi.
Zotsatira za kukula kwa tsitsi la Terminal
Utha msinkhu umayamba mwa anyamata pakati pa zaka zapakati pa 9 ndi 15, komanso kwa atsikana pakati pa zaka zisanu ndi zitatu ndi zisanu ndi zitatu.
Kumayambiriro kwa msinkhu, kukula kwa tsitsi kumakhala m'madera a pubic (kawirikawiri kumayamba kumunsi kwa mbolo) ndi kumimba. Tsitsi lina la nkhope likuwonekera kumayambiriro, koma lidzadzala mkati mwa magawo omaliza a kutha msinkhu, makamaka kumayambiriro kwa zaka za m'ma 20s. Amuna amatha kuyembekezera kuti azikhala ndi tsitsi lalitali komanso amatha kuchepetsa tsitsi kumapiri komanso kumamera pamsinkhu wawo.
Kukula kwa Nsapato Kwambiri Kwambiri
Kukula kwa tsitsi lakumapeto sikuchitika nthawi zonse. Chithokomirochi chimatseketsa mahomoni omwe amachititsa kutha msinkhu, kuphatikizapo kutulutsa mahomoni, androgens, ndi progesterone mwazimayi. Ngati mahomoni awa sali obisika, kutha msinkhu sikungakhoze kuchitika. (Luteinizing hormone imapangidwira m'matumbo ndipo imayambitsa ma estrogens kuchokera kumtambo wa amayi ndi testosterone kuchokera m'mimba mwa amuna.)
Kuchulukanso Kwambiri Kwambiri Kwake
Pafupifupi 10 peresenti ya amayi amakhala ndi vuto lotchedwa hirsutism . Zokhudzana ndi zowonjezereka zowonjezereka mwa zina, hirsutism imatchula kukula kwa tsitsi kwa akazi kuposa momwe imawonekera mofanana ndi amuna. Azimayi odwala hirsutism akhoza kukhala ndi tsitsi la nkhope (monga masharubu) ndi kuwonjezeka tsitsi m'mimba zawo ndi m'mimba.
Kukula kwa Nsalu Yoyamba Kwambiri
Nthaŵi zina, tsitsi loyamba limayamba kumera kuposa kale. Chinthu chenicheni cha kutha msinkhu msinkhu (kutha msinkhu msinkhu) mwa amuna ndi akazi sichidziwika nthawi zonse, koma chagwirizanitsidwa ndi matenda a hormonal ndi kutuluka kwa ma hormones akunja ( estrogens ndi testosterone) kupyolera mu chinachake monga mafuta onunkhira.
Kulibe Kwambiri Kukula kwa Nsapato Kwathunthu
Nthaŵi zina, tsitsi losatha silikula . Mankhwalawa amachititsa kuti anthu aziimba mlandu, koma amachititsanso matenda a shuga, matenda a impso, chifuwa cha mphumu komanso zovuta zowonongeka.
Kulimbikitsidwa kwa Kuphulika kwa Nyama Kwambiri
Ndikofunika kwa iwo amene ali pa mankhwala monga Minoxidil omwe amachititsa kuti tsitsi lizikula kuti adziwe kuti mankhwalawa amachititsa kukula kwa tsitsi kumaso, nkhope, ndi kubuula. Mwa kuyankhula kwina, ngati mankhwalawa amachititsa kuti tsitsi lanu likhale pamutu mwanu mudzafunika kumeta ndekha.
N'chifukwa Chiyani Mitu Yina Yafupika?
Mosiyana ndi tsitsi lakuthwa pamutu pamutu panu, ubweya wa tsitsi lomwe limakula limakhudzana ndi khalidwe lachiwerewere (anaphase), ndi lalifupi, mu miyezi yambiri kuposa zaka ziwiri mpaka zisanu za tsitsi. Pachifukwachi tsitsi lomwe muli nalo m'makutu anu kapena m'masewera samatha kukhala ngati tsitsi lanu pamutu mwanu.
Tsitsi la Terminal Monga Ife Timakalamba
Mosiyana ndi tsitsi lachibadwa la amuna lomwe liri lofala, tsitsi lothala lomwe limakula pamaso, m'makutu, komanso m'madera amtunduwu nthawi zambiri limakula mpaka kukalamba. Pachifukwa ichi, munthu akhoza kukhala wansalu pamwamba pa kama wake koma amatha kukula ndevu.
Chitsime:
Kasper, Dennis, Anthony Fauci, Stephen Hauser, Dan Longo, ndi J. Jameson. Mfundo za Harrison za Mankhwala a M'kati. New York: Maphunziro a McGraw-Hill, 2015. Print.