Ubisch body
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.
GO:0110165
cellular anatomical structure
is_a
GO:0140047
specialized extracellular matrix
part_of
orbicule
exact