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Ubisch body

Known as: orbicule 
A small, granular structure that is found in the extracellular matrix of cell of the secretory tapetal layer that surrounds developing pollen grains… 
National Institutes of Health

Papers overview

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2008
2008
Microspore wall morphogenesis and orbicule ultrastructure of Isoetes
MICROSPORE WALL MORPHOGENESIS AND ORBICULE ULTRSTRUCTURE OF ISOETES Khalid Alarid Old Dominion University, 2008 Director: Dr… 
2005
2005
Der Ambrosiapilz der Termiten
t~ber Vererbung und FertHit~t bet tteterostylie, Bateson ~n,~ Grego,ry ~er.danken wir die Fes~s~,ella~g, ,da~ ,die ~e,terostylie… 
1977
1977
Differentiation of the tapetum in Avena. I. The cell surface.
The development of the tapetal cell surface and associated structures in Avena has been followed from cell formation to… 
1974
1974
Petrography and protoclastic structures of the orbiculite boulders from Sääkslahti, Toivakka, Finland and the magmatic genesis of orbiculites
Firstly, two of the many orbiculite boulders found at Sääkslahti are described. The matrix of the orbiculites varies from diorite… 
1964
1964
Orbicule Formation Through Intrusive Brecciation and Compositional Reorganization