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pos·tero·lat·er·al .päs-tə-rō-'lat-ə-rəl, -'la-trəl adj posterior and lateral in position or direction <the \posterolateral aspect of the leg>
pos·tero·lat·er·al·ly -ē adv
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pos·tero·lat·er·al (pos″tər-o-latґər-əl) situated posteriorly and to one side.Medical dictionary. 2011.