Isikhumba seMpilo esiQinisekileyo esikhulu / iinwele
Imodeli eyahlukileyo ibonisa icandelo lolusu lomntu kwiifom ezintathu. Ukwahlulwa kwesikhumba ngokwahlukeneyo kunye nolwakhiwo olubalulekileyo olufana neenwele, amadlala abilayo kunye nokubila, ii-receptors, imithambo-luvo kunye neenqanawa ziboniswa ngokweenkcukacha. Ikhweliswe kwibhodi esezantsi.
Nangona imigangatho yobuhle yahlukile kumazwe ahlukeneyo, amaqela eentlanga ezahlukileyo, nkqu nakwimimandla eyahlukeneyo, amaxesha ahlukeneyo embali kunye neeklasi ezahlukeneyo zabantu, ikwakhona imigangatho efanayo.
1. Ukuthamba kolusu: Phantsi kweemeko eziqhelekileyo, ulusu lwesikhumba lunemicu ye-elastic kunye nemicu ye-collagen, kwaye izicwili ezingaphantsi zinotyebile kumanqatha, elenza ulusu luthambe kwaye luthambe. Ngobudala okanye ukugula, ulusu luya lusiba buthathaka, ulusu lwe-dermis luyancipha kwaye luye lucekeceke, iifayibha zelastiki kunye nemicu ye-collagen yolusu iya isiba mandundu, ukomelela kuyancipha, kunye ne-hyaluronic acid iyancipha. Ulusu luphulukana nokuqina kwalo, ulusu lukhululekile, kwaye kuvela imibimbi.
2. Ukufuma kolusu: Kukho imithambo yegazi eninzi kunye nemithambo yegazi enesikhumba, engowesibini "kwidama" elikhulu emzimbeni womntu emva kwezihlunu. Ukugcina ulusu lufumile yinto efunekayo yokuthambisa kunye nolusu olukhazimlayo. Idlala indima ebalulekileyo ekugcineni ukondla kwesikhumba kunye nokuthintela ulusu olomileyo nemibimbi.
3. Umbala kunye nokuthambeka kolusu: Umbala wolusu uyahluka ngokombala nohlanga, kwaye kukho imibala eyahlukeneyo efana nomhlophe, mthubi, mdaka, bomvu, namnyama. Oku kubangelwa ngumahluko kwisixa kunye nokusasazwa kwee-pigment kulusu.
4. Ukucoceka nobungqabavu bolusu: Ulusu kufuneka lungabinabumdaka namabala kwaye kufuneka ligcinwe licocekile.
5. Ulusu luqhelekile kwaye luyakunyamezela ukuguga: ulusu oluqhelekileyo kufuneka lungakhathali, lungabinamafutha kwaye lungomisi.
