Figure 4From: Immunocytochemical analysis of P2X2 in rat circumvallate taste budsA DAB immunoelectron image showing a Type III cell (III) with a synaptic contact (S) onto a P2X2 immunoreactive nerve process (N). Numerous small clear synaptic vesicles (arrowheads) are present in presynaptic zone. Scale bar = 0.5 μm.Back to article page