SINCE 1828
posteroanterior
adjective
pos·tero·an·te·ri·or
| \ ˌpäs-tə-rō-an-ˈtir-ē-ər
\
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Medical Definition of posteroanterior
: involving or produced in a direction from the back toward the front (as of the body or an organ)
a posteroanterior radiograph
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