Journal: 
                                :iranian journal of basic medical sciences
                            
                        
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                    ali reza ebrahimzadeh bideskan department of anatomy, school of medicine, mashhad university of medical sciences, mashhad, iran 
                    
                    
                    
                        
                    mohammad mehdi hassanzadeh taheri department of anatomy, school of medicine, birjand university of medical sciences, birjand, iran 
                    
                    
                    
                        
                    mohammad reza nikravesh department of anatomy, school of medicine, mashhad university of medical sciences, mashhad, iran 
                    
                    
                    
                        
                    ali reza fazel department of anatomy, school of medicine, mashhad university of medical sciences, mashhad, iran 
                    
                    
            
                    
                    
                    objective(s) the aim of this study was to investigate glycoconjugates distribution patterns as well as their changes during the course of pituitary portal vasculogenesis and angiogenesis. materials and methods formalin fixed paraffin sections of 10 to 20 days of sprague dawly rat fetuses were processed for histochemical studies using four different horseradish peroxidase (hrp) conjugated lectin...