Category: P

The branch of physics that is concerned with the physical and mechanical properties of gases and air.  

Radiography of a synovial joint after injection of a radiolucent contrast medium, usually air.  

A radiograph of a synovial joint after injection of a radiolucent contrast medium, usually air; an obsolete technique.  

A radio active element obtained from neptunium, which in turn is obtained from uranium; atomic weight of the most stable isotope is 244; atomic number 94. A naturally occurring radioactive metal found exclusively in uranium ores; it can also be generated synthetically in breeder reactors. This element serves as fuel in both nuclear reactors and…

Concerning an embryonic cell that can form different kinds of cells.  

The condition of having three or more pregnancies that have reached a point of viability regardless of the outcome.  

A woman who has given birth three or more times.  

A pregnant woman who has had three or more pregnancies.  

A receptor that has more than two groups uniting with the complement.  

A pad for filling out sunken cheeks, sometimes in the form of a flange or extension from artificial dentures.