Image
                    
                    
                
                
            
        
        
    
        
            
            
        
        
    
    
    
                
                    
                        Developmental Stage
                    
                    
                
                
            
        
        
    
        
            
            
                
                    20-25 somites  to Prim-5
                
                
            
        
        
    
    
    
                
                    
                        Orientation
                    
                    
                
                
            
        
        
    
        
            
            
                | Preparation | Image Form | View | Direction | 
| whole-mount | still | dorsal | anterior to left | 
                
                    
                        Figure Data
                    
                    
                
                
            
        
        
    
        
            
            
 
    
    
        
    
        
        
    
    
     
        