the histopathalogical lesions of the respiratory nasal mucosa were in the form of squamous metaplasia and spongiosis of the lining epithelium , with oedema of the underlying corium , glandular hyperplasia submucosal cellular infiltration , increased vascularity and some vascular changes in the form of endothelial proliferation with intimal thickening .
C0005847
vascularity
C0162864
intimal