• Volume render movies
  • Painted anatomical regions
  • Carnegie Stage Definition

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Carnegie Stage 13

The movies below show volume renders of OPT models. No staining has been used on any of the specimens and the images were captured using autofluorescence with a FITC filter.

 

 
N383 46XY
 
N462 46XX

 

 
N475 46XY
 
N489 46XY

 

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Carnegie Stage 13

The movies below show anatomical domains defined in the N462 and N475 models. The domains have been manually defined in the OPT models using specialised software and then visualised using commercial rendering packages.

The various domains are: neural tube - orange; heart - red; liver - dark green; optic vesicle - dark blue; otic vesicle - yellow; dorsal root ganglia/dermatomes - cyan.

 

 
N462 46XX
 
N475 46XY

 

 

 

 

 

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Carnegie Stage 13 Definition

 

Age is approximately 28 postovulatory days

Length is approximately 4-6 mm

External Features Include: all four limb buds are usually visible; otic vesicle is closed; lens disc is generally not indented.

O'Rahilly R and Muller F [1987] Developmental Stages in Human Embryos. Carnegie Institute, Washington, Publication no. 637)