Epithelial Cell Junction Types
EM desmosomes; Arrows point to the density which typically appears in the intercellular space. The cell membranes of the two
neighboring cells are interlocked in a very complex interdigitation here. You can follow the undulating course of the intercellular space.
(A) EM; A DESMOSOME JOINING TWO CELLS in the epidermis(B) Schematic drawing of A DESMOSOME
Tzanck smear of PVshowing abundant acantholytic cells. (Giemsa stain, 10× )
Tzanck cells in PV. Note the perinuclear halo visible in the marked cell. (Giemsa stain, 40× )
Linear band of IgA at dermo-epidermal junction
Direct Immunofluorescence
Indirect Immunofluorescence