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Langer's lines, Langer lines of skin tension, or sometimes called cleavage lines, are topological lines drawn on a map of the human body. They are parallel to the natural orientation of collagen fibers in the dermis , and generally parallel to the underlying muscle fibers.
They differ from Langer's lines in that unlike Langer's lines, which are defined in term of collagen orientation, Kraissl's lines are the lines of maximum skin tension. [1] Whereas Langer's lines were defined in cadavers, [2] Kraissl's lines have been defined in living individuals. Also, the method [which?] used to identify Kraissl's lines is ...
Skin lines are anatomical features which include: Langer's lines; Blaschko's lines; Kraissl's lines
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You don’t want to look drawn and tired, but you can look fresh and lifted and still have some lines on your face,’” Terner says. Aging, of course, isn’t a choice.
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.
The dermis is composed of three major types of cells: [3] fibroblasts, macrophages, and mast cells.. Apart from these cells, the dermis is also composed of matrix components such as collagen (which provides strength), elastin (which provides elasticity), and extrafibrillar matrix, an extracellular gel-like substance primarily composed of glycosaminoglycans (most notably hyaluronan ...