n., the manner in which the placenta is arranged in the ovary.
                                                            
                                                     
                        
                                                
                        
                        
                            arrangement of the ovules in the placenta and of the placentas in the ovary 
                                                            
                                                     
                        
                                                
                        
                        
                            the arrangement of placentas, and hence of ovules, within an ovary.
                                                            
                                                     
                        
                                                
                        
                        
                            (pla-sen-TAY-shun) -- The arrangement of the ovules in an ovary.