简介:ObjectiveThepurposeofthispaperistostudythedevelopmentofthelenticularpro-cessofincusandwhetherthelenticularprocessesareseparatingossiclesinossicularchain.MethodsThematerialsofpresentstudywereused223incuseswhichincluded206incusesfron163abortionfetuses,7fron4diedfetuses,10fromadults.Therelationbetweenthelonglimbsofincusandthelenticularprocesswasstudiedbyobservingthemicro-structureandtissuesectionwithmicroscope.ResultsItwasfoundthatthelenticularprocessnotonlyhasitsownossificationcenterbutalsoossifywithincarti-lages.Thelonglimbofincusconnectsthelenticularprocesswithfibroustissue.ConclusionTheresultshowedthatthelenticularprocessmaybethesmallestossiclesinthehumanbody.