|  | 
        
        | 
                        
                                |  Trachea, ostrich - histology slide
 |  | 
                        
                                |  Retina, chicken - confocal microscopy
 |  | 
                        
                                |  Pineal gland, chicken – immuno-staining
 |  | 
                        
                                |  Pineal gland, chicken – histology slide
 |  | 
        
        | 
                        
                                |  Pineal gland, chicken – histology slide
 |  | 
                        
                                |  Neuron, embyonic chicken
 |  | 
                        
                                |  Brain, owl - histology slide
 |  | 
                        
                                |  Brain, owl - gross and histology slide
 |  | 
        
                |  |