Blaschko's lines
Blaschko's lines (pronounced: blahsh-kohz lines) are lines of normal cell development in the human body. They were first described by the German dermatologist Alfred Blaschko in 1901.
Etymology
The term "Blaschko's lines" is named after Alfred Blaschko, who first observed these lines while studying the pattern of skin diseases.
Description
Blaschko's lines do not follow any known anatomical boundary or structure, but rather, they follow a V-shape over the back, S-shape on the abdomen, and inverted U-shape from the breast area to the upper arm. They are not visible under normal conditions, but can become apparent when some diseases or conditions cause the skin to react along these lines.
Related Terms
- Dermatology: The branch of medicine dealing with the skin, nails, hair and its diseases.
- Skin disease: A disease involving the skin.
- Cell development: The process by which a cell becomes specialized in order to perform a specific function.
See Also
References
- Blaschko A. Die Nervenverteilung in der Haut in ihrer Beziehung zu den Erkrankungen der Haut. Braumüller, Wien Leipzig, 1901.
External links
- Medical encyclopedia article on Blaschko's lines
- Wikipedia's article - Blaschko's lines
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