TRANSECTION By N., Sam M.S. - 15 noun. the transverse cutting or severing of something, like a nerve tract or the spinal cord. TRANSECTION: "The transection will complete your lab for this afternoon." Related Psychology Terms NEURON (Nerve Cell) CEREBRAL CORTEX SPINAL NERVES BIRTH ADJUSTMENTS CRANIAL NERVE SPECIFIC ENERGIES SPINAL ROOT HEARING NERVE CONDUCTION DAY HOSPITAL (Day Care Program) Cite this page: N., Sam M.S., "TRANSECTION," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/transection/ (accessed December 8, 2022).