50.3 MB (1.7 MB compressed)
4837 x 3634 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
Keloids (left) and multiple fibromas (right) in black patients, historical medical illustration. Keloid scars consist of a masses of collagen, a tough fibrous protein, and form as a result of a defective healing process. Fibromas are benign (non-cancerous) tumours composed of connective tissue. From Atlas of Venereal and Skin Diseases by Prince Albert Morrow, published in 1889.
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