sacral part of spinal cord

sa·cral part of spi·nal cord

[TA] the part of the spinal cord that consists of the five sacral segments (S1-S5), from which the five pairs of sacral nerves (S1-S5) originate. Synonym(s): pars sacralis medullae spinalis [TA], segmenta sacralia medullae spinalis [TA]