Tsitsi ndi lovuta kwambiri kuposa momwe likuwonekera. Zimathandiza kutumiza uthenga wachidziwitso. Zimakhala ngati chotchinga kwa particles zakunja. Ndi gawo lofunika kwambiri la maonekedwe ndi kulenga chidziwitso cha kugonana. Ndicho chikhazikitso cha thupi chokha chomwe chikhoza kudzikonzanso kwathunthu popanda kuphwanya. Pali tsitsi pafupifupi pafupifupi pamwamba pa thupi la munthu. Tawonani mwachidule zamoyo zake, zomangamanga, ndi ntchito.
Momwe Mafilimu Amakhalira
Nkhuku yomwe ikukula imakhala ndi mitundu yonse ya tsitsi yomwe imapangidwa ndi sabata 22. Panthawi ino, pali mitundu 5 miliyoni ya thupi. Mmodzi mwa iwo ali pamutu ndipo 100,000 ali pamutu. Ichi ndi chiwerengero chachikulu cha tsitsi la tsitsi lomwe lidzakhalapo chifukwa ma follicles sapitilira kukula m'moyo. Pamene tikukula, makulidwe a tsitsi amatsika.
Anatomy
Chithunzi cha ubweya wa tsitsi chimakhala chowoneka bwino, koma ndi chimodzi mwa zovuta kwambiri m'thupi. Tsitsi limapangidwa ndi zipangizo ziwiri zosiyana: ubweya wa tsitsi, umene umakhala pansi pa khungu, ndi tsitsi, lomwe ndilo tsitsi limene timaliwona.
Follicle Wam'nyumba
Tsitsi la tsitsi ndi mbali yamoyo ya tsitsi. Ndikumangidwe kofanana ndi maselo omwe ali ndi maselo ndi mawonekedwe ogwirizana. Papilla imakhala pansi pamutu wa tsitsi. Lili ndi mitsempha yaing'ono yamagazi (capillaries) yomwe imadyetsa maselo.
Mapuloteniwa ali ndi kachilombo kamene imayambitsa mitsempha yatsopano.
Babu ndikumangidwe kozungulira komwe kumakhala papilla ndi kumera. Amadyetsedwa ndi capillaries . Babu ndi nyumba ya mitundu yosiyanasiyana ya maselo omwe amagawanika maola 23 mpaka 72, mofulumira kuposa maselo ena onse m'thupi.
Limakhalanso ndi mahomoni omwe amakhudza tsitsi kukula ndi makonzedwe pa magawo osiyanasiyana a moyo, monga msinkhu.
Mapuloteniwa ali ndi chida chamkati ndi chamkati chomwe chimateteza ndi kumapanga tsitsi lalitali. Mkati wamkati umatsatira kutsitsa tsitsi ndipo kumatsiriza chisanafike kutsegula kwa chikhodzodzo . Khola lakunja likupitirirabe mpaka kumtenda wosakanizika. The arrector pili minofu, kachidutswa kakang'ono ka minofu ya minofu, imamangirizidwa kumtunda wakunja. Pamene minofu ikugwirizanitsa, imachititsa kuti tsitsi liime, lomwe limatchedwa kuti goosebumps. Gulu lokhazika mtima pansi limatulutsa sebum, kapena mafuta, omwe ndi thupi lachilengedwe. Sebum yowonjezera imapangidwa mukamaliza msinkhu, chifukwa chake ziphuphu zimakhala zofala pakati pa zaka zachinyamata. Kukula kwa Sebum kumachepa ndi zaka, zomwe zimachititsa khungu kukhala louma.
Shaft Hair
Tsitsi la tsitsi-lomwe ndilo lomwe tingathe kuwona-lilidi lakufa. Zapangidwa ndi magawo atatu a keratin , mapuloteni owuma. Nazi zambiri zokhudza zigawo zitatuzi.
- Zamkatikati: Izi zimatchedwa medulla. Malingana ndi mtundu wa tsitsi, medulla siilipo nthawi zonse.
- Chigawo chapakati: Ichi chimatchedwa cortex, yomwe imapanga tsitsi lalikulu. Magulu onse a medulla ndi cortex ali ndi maselo a pigmenting omwe amachititsa kupaka tsitsi.
- Zosakanikirana: Izi zimatchedwa cuticle, yomwe imapangidwa ndi mizere yodzaza ndi ming'alu yambiri yomwe ili ngati mapulusa a padenga. Mitundu yambiri yamakono imapangidwira kuti ikatulukidwe.
Mtsinje wa Kukula
Tsitsi la scalp limakula pafupifupi theka la mamitamita pa tsiku-pafupifupi masentimita 6 pachaka. Mosiyana ndi zinyama zina, kukula ndi tsitsi kumakhala kosasintha osati nyengo kapena nyengo. Mutu nthawi zonse umakhala muzigawo zosiyanasiyana za kukula ndi kukhetsa nthawi iliyonse. Pali magawo atatu a kukula kwa tsitsi: anagen, catagen, ndi telogen.
- Gawo 1: Manjini ndi gawo la kukula kwa tsitsi. Tsitsi lonse likukula ndikukhala zaka zitatu mpaka zinayi panthawiyi. Maonekedwe atsopano a tsitsi ndi kusakaniza katsitsi tsitsi ndi kunja kwa follicle. Pa nthawiyi, tsitsi limakula pafupifupi masentimita imodzi pa masiku 28. Anthu ena amalephera kukula tsitsi lawo mopitirira kutalika chifukwa ali ndi nthawi yayifupi ya anagen. Mosiyana ndi zimenezo, anthu omwe ali ndi tsitsi lalitali kwambiri komanso osakhala ndi vuto lokhala ndi tsitsi amakhala ndi nthawi yayitali ya anagen. Manjeni a ma eyelashes, nsidze, ndi tsitsi lalendo ndi lamanja ndilo lalifupi-pafupi masiku 30 mpaka 45-chifukwa chake tsitsi ili ndi lalifupi kwambiri kuposa tsitsi la tsitsi.
- Gawo lachiwiri: Gawo lachitetezo ndilo gawo lachangu, ndipo tsitsi limodzi mwa magawo atatu aliwonse ali mu gawo ili nthawi iliyonse. Zimatha milungu iwiri kapena itatu. Panthawiyi, kukula kumachepa ndipo mizu ya kunja imafooka ndipo imafikira muzu wa tsitsi, kupanga chodziwika ngati tsitsi lachibonga.
- Gawo lachitatu: Gawo la telogen ndilo gawo lokhazikika, lomwe limatenga pafupifupi miyezi itatu ndikuwerengera 10% mpaka 15% mwa tsitsi lonse. Panthawi imeneyi, kupsa tsitsi kumapuma ndipo tsitsi lachibwano limapangidwa. Kuvula tsitsi mu gawo ili kudzawulula zinthu zolimba, zouma, zoyera pazu. Thupi limatulutsa tsitsi pafupifupi 50 mpaka 100 pamutu.
Mmene Zimapangidwira
Anthu ena amakoka tsitsi, koma ena ali ndi tsitsi lakuda, lolunjika, lowala. Maonekedwe a tsitsi amaimira mawonekedwe a tsitsi. Tsitsi lachilendo lomwe tsitsi liri nalo limatsimikiziridwa ndi mawonekedwe ake. Tsitsi lolunjika lili ndi zozungulira kwambiri. Nsonga zazikulu zowongoka kapena kinky ndizomwezi. Zowonjezera kwambiri tsitsi lake, tsitsi losavuta. Kukhazikika pansi pamthunzi, kumeta tsitsi.
Maonekedwe a m'magawo ngati tsitsi limatsimikiziranso kuchuluka kwake kwa tsitsi. Tsitsi losalala ndi lowala chifukwa sebum kuchokera kumtenda wochepetsetsa amatha kuyenda pansi mosavuta. Mtundu wa kinkier, movutikira kwambiri sebum ukuyenda pansi pamutu, ndipo wowuma kwambiri ndikuwoneka tsitsi.
Ndipo tsitsi lanu lingasinthe mtundu, mawonekedwe, ndi makulidwe (ndipo malo ake angasinthe-kwambiri m'madera ena ndi ochepa kwambiri mwa ena) patapita nthawi mutakula .