Figure 6. Human malignant melanocyte. Ultrastructural dopa reaction. The tissue was incubated in dopa after partial fixation in glutaraldehyde. Dense reaction product indicates the inter-cellular localization of tyrosinase in the Golgi saccules (*), endoplasmic reticulum near the Golgi apparatus (open arrows) and Stage I melanosomes (broad arrows). Bar: 1
Figure 7. Melanosomes within Caucasoid keratinocyte. Basal layer keratinocyte (K) contains many complexed melanosomes (arrows) and a few single ones (open arrows). BL: basal lamina d' dendritic process of melanocyte Bar: 1
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