the earliest recognizable changes , distinguished in clinically normal psoriatic skin ( cnps ) from patients with psoriasis of 2 days ' duration , comprised mast cell degranulation ( type i mcd ) , a vascular pattern showing endothelial cell gaps in postcapillary venules and postcapillary venules with endothelial cell hypertrophy and compressed lumen as well as epidermal involvement with punctiform spongiotic areas ( psas ) .
C0225336
endothelial cell
C0014257
endothelial