Cross references directly, or indirectly, involving the "skin":
callus-;
chorio-;
cicatri- (scar);
cori-;
hymen-;
lepido- (scab, scale);
papulo- (pimple);
psoro- (itch, mange);
pustu- (blister, pimple);
rhytid- (wrinkle);
scabio- (mange, itchy);
sebo- (grease, oil).