Histopathological Changes in the Lung of Rat Following Long -Term Exposure to Biomass Smoke

摘要: ABS TRACT Ob jec ti ve: Ex pe ri men tally to show the his pat ho lo gic al te ra ons in trac he a and lungs du e long term ex po su re bi o mass smo ke rats. Ma Met hods: 30 fe ma le Wis tar-Al no adult rats we used ment. The sed for one ur day 3, 6, 9 months. At end of ment, de ca pi ta ted un der ep anest si a. tis samp les taken were pro ces gi cal exa mi na ons. Re sults: Gross fin dings fo small ant hra co tic ac cu mu la ons, mul tip abs ses, cysts with ci us flu id emph yse chan ges lungs. His cally, lymphocy tic, eo nop hi lic mac rop ha ge fil tra var ying den es ob ser ved ters um Ba on me, pa pil lary struc tu res airway cosa. As most ap rent pul mo nary ve ins, me di ves sels thic ned ir lu mens nar ro wed. In se, ced ade li sa. sa, spots en red. We so ul ce on, ero are as squ u se tap sa e. Conc on: Long-term was chro nic inf lam tory pre lignant dif such a, bronc les, rench yma inc ding subp ral as.