Koller's sickle

Term ID

UBERON:0009888

Synonyms

• Kohler's sickle

Definition

A local thickening of cells that acts as a margin separating sheets of cells from posterior margin of avian blastoderms from hypoblasts as they migrate anteriorly to push primary hypoblast cells anteriorly to form a secondary hypoblast known as the endoblast (2)

References

• Koller's:sickle

Ontology

Uberon Ontology