FORAMINOTOMY By N., Pam M.S. - May 11, 2013 the surgical enlargement of one of the foramina between adjacent vertebrae that spinal nerves pass. It is done by enlarging the opening above the nerve root. FORAMINOTOMY: "Joe had a foraminotomy to relieve his back pain." Related Psychology Terms DORSAL ROOT DILATOR SPINAL ROOT DERMATOME RHIZOTOMY SPINAL NERVE RADICULITIS SPINAL GANGLION NERVE TRUNK GRAY RAMUS Cite this page: N., Pam M.S., "FORAMINOTOMY," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/foraminotomy/ (accessed February 18, 2020).