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Carnegie Stage Definition
Age is approximately 26 postovulatory days Length is approximately 3-5mm External features include: a characteristic curved posture, three pharyngeal arches are visible, the caudal neuropore is closing or closed; the otic vesicles are almost closed but not detached; the upper limb buds are beginning to appear (O'Rahilly R and Muller F [1987]
Developmental Stages in Human Embryos. Carnegie Institute, Washington,
Publication no. 637)
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Views and movies of the CS12 OPT model as a 3D object. |
| Section Browser with Anatomy Tree | |
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The section browser allows you to view the 3D CS12 OPT model
in three orthogonal planes. Anatomical regions have been painted onto
the model which can be identified in each of the section planes. |
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This allows you to view images of physical sections through the entire CS12 specimen. |