Three-dimensional cell to tissue assembly process
 The present invention relates to a 3-dimensional cell to tissue and maintenance process, more particularly to methods of culturing cells in a culture environment, either in space or in a gravity field, with minimum fluid shear stress, freedom for 3-dimensional spatial orientation of the suspended particles and localization of particles with differing or similar sedimentation properties in a similar spatial region. 
The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
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Marian L. John H. David A. Ray P. Mary H.
Lewis Cross Wolf Schwarz Huls