Ubisch body

Term ID

GO:0070645

Synonyms

• orbicule

Definition

A small, granular structure that is found in the extracellular matrix of cell of the secretory tapetal layer that surrounds developing pollen grains. Ubisch bodies have a sporopollenin coat, are attached to the peritapetal wall, and may play a role in pollen development. (2)

References

Ontology

GO: Cellular Component    QuickGO    AmiGO