36.2 MB (2.0 MB compressed)
2848 x 4447 pixels
24.1 x 37.6 cm ⏐ 9.5 x 14.8 in (300dpi)
ST BARTHOLOMEW'S HOSPITAL / SCIENCE PHOTO LIBRARY ST BARTHOLOMEW'S HOSPITAL / SCIENCE PHOTO LIBRARY
Pityriasis versicolor (tinea versicolor), a fungal infection producing a rash on the skin of a woman's back. Pityriasis versicolor is caused by a yeast, Malassezia furfur, which is believed to be the parasitic form of a common saprophytic yeast Pityrosporum orbiculaire, which may be found on normal skin. Although the infection is most common in tropical countries, it has a world-wide distribution. Climatic factors or exposure to sunlight are believed to trigger the infection in many cases.
Model release not required. Property release not required.