Fig. 1From: Wavy changes in the whiskers of domestic cats are correlated with feline leukemia virus infectionGross and light microscopic appearance of wavy whiskers. A Curved and wavy whiskers on the upper lip of an FeLV-positive case. B An isolated whisker is fixed on a glass slide. Arrowheads show the bends in the hair. C The bent lesion of the hair shaft is shown under light microscopy as indicated by the arrow. D The ruptured medulla of the hair is also shown (arrow)Back to article page