Carnegie Stage 16 (37 post-ovulatory days)

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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.

Photographs

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Animations

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MRI Slice Selector

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© 2016 Brad Smith