Fig. 1From: Usefulness of nailfold videocapillaroscopy for systemic sclerosisRepresentation of the nailfold videocapillaroscopy analysis of healthy donor. The vessels diameter is less than 20μm. Capillaries form a straight line toward distal. The number of capillaries is more than nine with in 1mm of the row of the nailfold bedBack to article page