Definitions for "Patency"
The condition of being open, enlarged, or spread.
Openness, freedom from blockage (particularly referring to the fallopian tubes).
The degree of openness or accessibility.
Keywords:  cannula, functionality
Functionality of a cannula.
Keywords:  patent, evident
The state of being patent or evident.
Keywords:  understand, easy, property, see
the property of being easy to see and understand