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. 2017 Sep 19;8:594. doi: 10.1038/s41467-017-00409-7

Fig. 7.

Fig. 7

The effect of wall boundary conditions on pressure requirements. The assumption of a slip condition at the duct wall (with the same geometric and rheological data as used in Fig. 6) brings the lower portion of Laity’s ranges (green: mean-1722 Pa s57, 58, orange: 400-5000 Pa s57, blue: 200-10,000 Pa s58) into the biological extrusion domain. The biological extrusion domain is split into natural (dark green dashes) and forced (pale green dashes) spinning domains