Blaschko
Blaschko's Lines
Blaschko's Lines (pronounced: Blash-ko's Lines) are a pattern of skin markings that are invisible under normal conditions. They become visible under certain skin conditions and are thought to represent the migration of embryonic cells. The lines do not follow nerves, blood vessels, or other known anatomical patterns.
Etymology
The lines are named after the German dermatologist Alfred Blaschko, who first described them in 1901.
Description
Blaschko's Lines are V-shaped on the back, S-shaped on the abdomen, and follow a wavy pattern on the head and chest. They are not visible under normal conditions but can be seen in certain skin diseases such as Lichen Striatus, Incontinentia Pigmenti, and Mosaicism.
Related Terms
- Dermatology: The branch of medicine dealing with the skin and its diseases.
- Lichen Striatus: A rare skin condition that causes a linear rash.
- Incontinentia Pigmenti: A rare genetic disorder that affects the skin, hair, teeth, and nails.
- Mosaicism: A condition in which cells within the same person have a different genetic makeup.
See Also
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