medial branches

me·di·al branch·es

[TA]
branches directed toward the midline, to the middle. Terminologia Anatomica lists medial branches (ramus medialis/rami mediales) of the following: 1) pontine arteries (rami mediales arteriae pontis [TA]); 2) artery of tuber cinereum (ramus medialis arteriae tuberis cinerei [TA]); 3) posterior rami of cervical/thoracic/lumbar/sacral/coccygeal spinal nerves (rami medialis ramorum posteriorum nervorum cervicalium/thoracicalium/lumbalium/sacralium/coccygeum [TA}); 4) umbilical part of left branch of portal vein (rami mediales portis umbilici rami sinistri venae portae hepatis [TA]); 5) left hepatic duct (ramus medialis ductus hepatici sinistri [TA]); 6) middle lobar artery (of right lung) (ramus medialis arteriae lobaris mediae (pulmonis dextrum) [TA]); 7) superior cerebellar artery (ramus medialis arteriae superior cerebelli [TA]); 8) supraorbital nerve (ramus medialis nervi supraorbitalis [TA]).
Synonym(s): rami mediales [TA]
References in periodicals archive ?
Each facet is innervated by the medial branches of the posterior rami of the spinal nerves above and below the joint.
However, the medial branches of the dorsal rami are mixed nerves that also independently and segmentally innervate the lumbar multifidus muscles [30].

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