noun (plural anlagen /-ˌläɡən/)Biology
The rudimentary basis of a particular organ or other part, especially in an embryo.
- Studies on dechorionated eggs have shown that segmental anlagen are apparent quite early in embryonic development, though of course considerably after the end of the cleavage stage.
- Isolation of ovarian anlage result in normal follicle-bearing ovarian tissue.
- The initial anlage of the atherosclerotic plaque seen in adults can be seen as a fatty streak on the surface of the arterial wall during infancy.
Late 19th century: from German, 'foundation, basis'.
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