posterior median septum
Medical Definition of posterior median septum
: a sheet of glial tissue in the midsagittal plane of the spinal cord that extends from the posterior median sulcus toward the gray commissure and that partitions the posterior part of the spinal cord into right and left halves
Seen and Heard
What made you want to look up posterior median septum? Please tell us where you read or heard it (including the quote, if possible).