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About Carnegie Stage 16 Most embryos at stage 16 are approximately 37 postovulatory days old and measure 11-14 mm in length. Distinguishing criteria for this stage include the external appearance of retinal pigment, the nasal pits face ventrally, pharyngeal arch 2 is more massive and conspicuous than arch 3, auricular bumps begin to appear, and the thigh, leg, and foot can be distinguished in the lower limb. |
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| Sample Animations | ||||||||
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| Rotation Animation (516 KB QuickTime file) |
Neural Tube Rotation 1 (296 KB QuickTime file) |
Neural Tube Rotation 2 (388 KB QuickTime file) |
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| Heart Rotation (236 KB QuickTime file) |
Liver Rotation (236 KB QuickTime file) |
Stomach Rotation (220 KB QuickTime file) |
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| Eyes Rotation (252 KB QuickTime file) |
Stereo View Rotation (3.3 MB QuickTime file, view cross-eyed) |
Psuedo Timelapse (650 KB QuickTime file) |
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| © 2006 Bradley R. Smith | ||||||||