Close-up of infected sebaceous cyst on the back of a 54 year old male patient. A sebaceous cyst is a sac-like swelling under the skin filled with sebu


Close-up of infected sebaceous cyst on the back of a 54 year old male patient. A sebaceous cyst is a sac-like swelling under the skin filled with sebum, the oily product of the skin's sebaceous glands. It occurs when the glands become blocked. Most cysts heal on their own, but some require surgical removal.


Size: 5120px × 3417px
Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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