50.0 MB (2.6 MB compressed)
4822 x 3623 pixels
40.9 x 30.7 cm ⏐ 16.1 x 12.1 in (300dpi)
US NATIONAL LIBRARY OF MEDICINE / SCIENCE PHOTO LIBRARY US NATIONAL LIBRARY OF MEDICINE / SCIENCE PHOTO LIBRARY
Acne vulgaris and acne rosacea, historical medical illustration. Acne vulgaris (left) is a skin disorder in which the sebaceous glands in the skin become inflamed, forming pustules caused by the blockage of hair follicles. Acne rosacea (right) is a reddening of the skin of unknown cause and may be accompanied by pustules. From Atlas of Venereal and Skin Diseases by Prince Albert Morrow, published in 1889.
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