- posteroexternal
- SYN: posterolateral.
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pos·tero·ex·ter·nal .päs-tə-rō-ek-'stərn-əl adj posterior and external in location or direction* * *
pos·tero·ex·ter·nal (pos″tər-o-ek-sturґnəl) situated on the outer side of a posterior aspect.
Medical dictionary. 2011.