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The human skin is the outer covering of the body and is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal tissue guarding muscles, bones, ligaments and internal organs. Human skin is similar to most of the other mammals' skin, and it is very similar to pig skin.
This is an accepted version of this page This is the latest accepted revision, reviewed on 26 January 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
A copy of De integritatis et corruptionis virginum notis kept in the Wellcome Library, believed to be bound in human skin Anthropodermic bibliopegy —the binding of books in human skin—peaked in the 19th century. The practice was most popular amongst doctors, who had access to cadavers in their profession. It was nonetheless a rare phenomenon even at the peak of its popularity, and ...
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
The Fitzpatrick scale (also Fitzpatrick skin typing test; or Fitzpatrick phototyping scale) is a numerical classification schema for human skin color. It was developed in 1975 by American dermatologist Thomas B. Fitzpatrick as a way to estimate the response of different types of skin to ultraviolet (UV) light. [ 2 ]
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.
In 2024, Harvard University announced they had removed the human skin from Des destinées de l'ame and were working towards a respectful disposition of the human remains. [ 38 ] The Harvard skin book belonged to Dr Ludovic Bouland of Strasbourg (died 1932), who rebound a second, De integritatis & corruptionis virginum notis , [ 39 ] now in the ...
The face is the front of an animal's head that features the eyes, nose and mouth, and through which animals express many of their emotions. [1] [2] The face is crucial for human identity, and damage such as scarring or developmental deformities may affect the psyche adversely.