meningeal branch of spinal nerves

me·nin·ge·al branch of spi·nal nerves

[TA]
a branch from the initial (mixed) part of each spinal nerve passing in a recurrent fashion back through the intervertebral foramen to supply spinal meninges, the posterior longitudinal ligament, posterolateral periphery of the intervertebral disc, and periosteum of the vertebrae.
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