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. Author manuscript; available in PMC: 2015 Dec 18.
Published in final edited form as: J Biomech. 2014 Oct 22;47(16):3837–3846. doi: 10.1016/j.jbiomech.2014.10.018

Figure 3.

Figure 3

Tension estimate in surface ectoderm (SE). (A) Dorsal view of HH12+ chicken embryo before wounding. OV=optic vesicle. (B) Glass needle used to make hole in surface ectoderm. Internal diameter is d0 = 90 μm. (C) Same embryo immediately after wounding SE. Dash-dot line outlines the wound, which is relatively circular with a diameter d larger than the pipette tip (d = 97 ± 3.0 μm, n = 8), indicating nearly isotropic tension.