Medical Dictionary


noun in·ver·sion \in-ˈvər-zhən, -shən\

Medical Definition of INVERSION

:  a reversal of position, order, form, or relationship: as a :  a dislocation of a bodily structure in which it is turned partially or wholly inside out <inversion of the uterus> b :  the condition (as of the foot) of being turned or rotated inward—compare eversion 2 c :  retroflexion d :  a breaking off of a chromosome section and its subsequent reattachment in inverted position; also :  a chromosomal section that has undergone this process
a :  the conversion of dextrorotatory sucrose into a levorotatory mixture of glucose and fructose b :  a change from one stereochemical figuration at a chiral center in a usually organic molecule to the opposite configuration that is brought about by a reaction in which a substitution of one group is made for a different group


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