▁Roman ized ▁as ▁Sa ʿ ā dat ā b ā d ) ▁is ▁a ▁village ▁in ▁Ros ht k har ▁R ural ▁District , ▁in ▁the ▁Central ▁District ▁of ▁Ros ht k har ▁County , ▁Raz avi ▁K hor as an ▁Province , ▁Iran . ▁At ▁the ▁ 2 0 0 6 ▁census , ▁its ▁population ▁was ▁ 2 , 0 5 0 , ▁in ▁ 4 7 2 ▁families . ▁ ▁References ▁▁ ▁Category : Pop ulated ▁places ▁in ▁Ros ht k har ▁County <0x0A> </s> ▁The ▁der mal ▁equivalent ▁is ▁an ▁in ▁vit ro ▁model ▁of ▁the ▁der mal ▁layer ▁of ▁skin . ▁It ▁is ▁constructed ▁by ▁seed ing ▁der mal ▁fib ro bl asts ▁into ▁a ▁col lagen ▁gel . ▁This ▁gel ▁may ▁then ▁be ▁allowed ▁to ▁contract ▁as ▁a ▁model ▁of ▁w ound ▁contra ction . ▁This ▁col lagen ▁gel ▁contra ction ▁ass ay ▁may ▁be ▁used ▁to ▁screen ▁for ▁treat ments ▁which ▁promote ▁or ▁in hib it ▁contra ction ▁and ▁thus ▁affect ▁the ▁development ▁of ▁a ▁scar . ▁Other ▁cell ▁types ▁may ▁be ▁incorpor ated ▁into ▁the ▁der mal ▁equivalent ▁to ▁increase ▁the ▁complexity ▁of ▁the ▁model . ▁For ▁example , ▁ker atin ocy tes ▁may ▁be ▁seed ed ▁on ▁the ▁surface ▁to ▁create ▁a ▁skin ▁equivalent , ▁or ▁macro ph ages ▁may ▁be ▁incorpor ated ▁to ▁model ▁the ▁infl am mat ory ▁phase ▁of ▁w ound ▁he aling . ▁ ▁References ▁ ▁Category : S kin ▁phys i ology <0x0A> </s> ▁Ab ▁Dar ▁( , ▁also ▁Roman