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Human Embryo

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Carnegie Stage 15 (33 post-ovulatory days)



About Carnegie Stage 15

Most embryos at stage 15 are approximately 33 postovulatory days old and measure 7-9 mm in length. Distinguishing criteria for this stage include the appearance of nasal pits and hand plates. The lens vesicles are closed.

Photographs

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Animations

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MRI Slice Selector

Mouse: click on a line below to select a view
Finger: tap a line below with a very light touch


coronal slice image map axial slice image map sagittal slice image map


© 2001. 

Multi-dimensional Human Embryo Project by Brad Smith (NIH award N01-HD-6-3257 P/G F003637) is licensed under CC BY-NC-SA 4.0