amnioserosa formation

id: GO:0007378
name: amnioserosa formation
namespace: biological_process
type: go
obsolete: False

Description: Formation of the amnioserosa, an epithelium that occupies a hole in the embryonic dorsal epidermis. This occurs by the transformation of a narrow strip of cells at the dorsal midline of the blastoderm from columnar to squamous cells, accompanied by a lateral shift.

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