proximal interphalangeal joints

prox·i·mal in·ter·pha·lan·ge·al joints

the synovial joints between the proximal and middle phalanges of the fingers and of the toes. Synonym(s): PIP joints

prox·i·mal in·ter·pha·lan·ge·al joints

(PIP) (proks'i-măl in'tĕr-fă-lan'jē-ăl joynts) The synovial joints between the proximal and middle phalanges of the fingers and of the toes.