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In severe cases, it can affect movement of skin. In the United States, keloid scars are seen 15 times more frequently in people of sub-Saharan African descent than in people of European descent. [3] There is a higher tendency to develop a keloid among those with a family history of keloids and people between the ages of 10 and 30 years. [4]
A hypertrophic scar is a cutaneous condition characterized by deposits of excessive amounts of collagen which gives rise to a raised scar, but not to the degree observed with keloids. [1] Like keloids, they form most often at the sites of pimples, body piercings, cuts and burns. They often contain nerves and blood vessels.
Hypertrophic scars are often distinguished from keloid scars by their lack of growth outside the original wound area, but this commonly taught distinction can lead to confusion. [6] Keloid scars can occur on anyone, but they are most common in dark-skinned people. [7] They can be caused by surgery, cuts, accident, acne or, sometimes, body ...
The first four operations performed by the team included the removal of a keloidal adhesion from one woman's neck, which allowed her to move her head freely; the removal of a scar from another woman's right hand; the grafting of hair-bearing skin from behind one woman's ear to form a new set of eyebrows; and the grafting of a piece of skin from ...
Queloides or keloids are raised scars that, as many in Cuba believe, appear most frequently on the black skin. The title makes reference to the scars of racism , on the one hand, and to persistent popular beliefs that there are "natural" differences between whites and blacks.
The dermis contains two vascular networks that run parallel to the skin surface—one superficial and one deep plexus—which are connected by vertical communicating vessels. [8] [11] The function of blood vessels within the dermis is fourfold: to supply nutrition, to regulate temperature, to modulate inflammation, and to participate in wound ...
This list is part of the list of organisms named after famous people, and includes organisms named after famous individuals born on or after 1 January 1950. It also includes ensembles (including bands and comedy troupes) in which at least one member was born after that date; but excludes companies, institutions, ethnic groups or nationalities ...
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child.