to determine the diagnostic usefulness of a monoclonal antibody to the lda-1 antigen , a newly defined noncollagenous component of the lamina densa of human basement membrane , we examined skin specimens from 20 patients with epidermolysis bullosa ( simplex type , eight patients ; junctional type , four patients ; dystrophic type , eight patients ) by the indirect immunofluorescence technique .
C0085872
lamina densa
C0004799
basement membrane