Skin Tsarin

Fatar jiki yana rufe jikin mutum daga waje, yana samar da kariya ga dukkanin gabobin jiki daga tasirin waje (friction, pressure, chock, rupture). Bugu da ƙari, murfin ya hana shiga shigar da kwayoyin halitta cikin jiki. Girmanta ya bambanta daga 0.5 zuwa 4 millimeters a sassa daban daban, kimanin kusan kashi 3 kilo.

Tsarin fata ya ba shi izinin shiga cikin matakai na rayuwa, ƙazantawa da kariya, da thermoregulation na jiki (tsari na yanayin zafi). Yayin rana, an saki kimanin 500 milliliters na ruwa ta hanyar murfin. Wannan shine kashi 1% na girman jiki. Skin tsarin ya shafi cire kayayyakin gina jiki metabolism da kuma daban-daban salts. Murfin yana shafan oxygen, sakewa carbon dioxide. Hanyoyin ma'adinai, ruwa da gas na murfin a cikin ƙarfin ƙima ne kawai kaɗan da ƙarfin metabolism a cikin tsokoki da hanta.

Tsarin launin fata ya ba ka damar yin aikin siginar - an samar da shi ta babban adadin masu karɓa mai karɓa wanda ke cikin dukkan sassanta. Tare da taimako daga gare su, mutane suna iya fahimtar zafi, matsa lamba, zafi, taɓawa. Tsarin fata ya ba ka damar zama a wurare dabam a cikin 1 square. Dubi har zuwa sanyi goma sha biyu, ƙwararru guda biyu, mai zafi guda ashirin da biyar. Ya kamata a lura cewa kasancewa da hankali yana aiki mafi muhimmanci na haɗuwa tsakanin jiki da yanayin, ya hana konewa, raunuka, sanyi.

Fata. Tsarin.

An samar da aikin al'ada na jiki ta wurin wanzuwar yanayi na har abada don kasancewa. Hanyoyin waje sun zama marasa amfani kuma suna da tasiri a kan mutum. Tabbatar da tabbatar da amincin dukkan jiki yana kan rufe jikin jikin. Tsarin fata yana da wuyar gaske. Wannan sutura tana wakiltar uku.

Mafi girma shine epidermis. Yana da kauri daga 0.03 zuwa 1.5 millimeters kuma mafi (alal misali, a kan tafin hannu ko dabino). Yana, bi da bi, ya ƙunshi sassa biyar. Layer surface (jaraba) ana wakilta kwayoyin keratinized ke mutuwa, a kusa da juna. Ana raba su akai-akai kuma an maye gurbinsu tare da sabon sel. Ayyukan epidermis suna aiki da kariya. Shi ne wanda ya hana rinjayar abubuwan waje a jikin jikin. Dangane da tsarinsa, epidermis na da nau'i mai karfi, ƙarfin karfi da kuma elasticity. Bugu da kari, yana iya dawowa da sauri tare da ƙananan lalacewa. Kowace rukuni guda biyar tana rassan juna, don haka akwai sabuntawa. Gaba ɗaya an sake sabunta kwayoyin don kwanaki 26-28. Dukansu sassan jikin fata kaɗai suna iya ninka da girma a irin wannan gudun.

Layer na gaba na ƙananan polka-dermis an wakilta shi ne ta hanyar zarge-zarge. Babban su ne collagen da elastin (collagen da elastin su ne babban tsari na gina jiki fata). Saboda su, murfin yana da nau'i mai laushi, yana iya mayar da asali na farko bayan ya shimfiɗa. A cikin dermos, an rarrabe nau'i biyu. Lymph da jini, tsokoki, da jijiyoyi, sebaceous da sunadarin gumi, gashi ratsa cikin zurfin Layer.

A karkashin dermis ne da subcutaneous m nama (hypodermis). Wannan Layer wani nau'i ne na "matashin kai". Tsarinta ya bambanta, dangane da shafin jikin. Wannan shi ne saboda zagaye na siffar jiki. Gipoderma yana kare jikin daga cututtukan mahaukaci, cututtuka, ƙurar waje, ajiyar ajiya inda aka adana ɗakunan ajiya, ana cinye su a yanayin rashin lafiya, ciki, yunwa.

Kusan kowace yanki na fata located sunadarin gumi. Yawancin su a kan yatsun yatsun hannu da yatsun kafa, soles, dabino, a cikin inguinal da axillary folds. Wadannan glanders suna da hannu a cikin rawar jiki aiki.

Sebum - Asirin secreted da sebaceous gland. Yana sa fatar jiki ya fi sauƙi, yana tausasa shi.