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Carnegie Stage Definition
Age is approximately 32 postovulatory days
Length is approximately 5-7mm
External Features Include: elongated and tapering
upper limb buds, invagination of the lens disc but with open lens pit.
Internal
Features: future cerebral hemispheres and cerebellar plates begin to
be visible.
(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 CS14 OPT model as a 3D object. |
| Section Browser with Anatomy Tree | |
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The section browser allows you to view the 3D CS14 OPT model
in three orthogonal planes. Anatomical regions have been painted onto
the model which can be identified in each of the section planes. Currently
only liver, heart, neural tube (comprising brain and spinal cord), optic
cups and otic pits have been identified. |
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This allows you to view sections (stained with
haematoxylin and eosin) through a CS14 specimen which have been aligned
with a CS14 OPT model. |