Lower Back

Nerves in the Lower Back region

20 entries

All Types 20 Muscles 32 Bones 25 Tendons 20 Ligaments 39 Nerves 20 Bursae 20 Joints 20 Vessels 20

20 entries · Nerves

Nerve Cauda Equina cauda equina Lower Back The cauda equina (horse's tail) is the collection of nerve roots below the conus medullaris that… Nerve Conus Medullaris conus medullaris Lower Back The conus medullaris is the tapered terminal end of the spinal cord, normally ending at the… Nerve Genitofemoral Nerve at Lumbar Level nervus genitofemoralis (origo lumbalis) Lower Back The genitofemoral nerve arises from L1-L2 and descends on the anterior surface of psoas major, dividing… Nerve Grey Rami Communicantes of the Lumbar Spine rami communicantes grisei lumbales Lower Back The grey rami communicantes are unmyelinated postganglionic sympathetic fibres passing from the lumbar sympathetic ganglia back… Nerve Iliohypogastric Nerve Lumbar Origin nervus iliohypogastricus (origo lumbalis) Lower Back The iliohypogastric nerve arises from the L1 nerve root (with a contribution from T12) as the… Nerve Ilioinguinal Nerve Lumbar Origin nervus ilioinguinalis (origo lumbalis) Lower Back The ilioinguinal nerve arises from L1 (with T12 contribution) just below the iliohypogastric nerve at the… Nerve Lateral Femoral Cutaneous Nerve at Lumbar Origin nervus cutaneus femoris lateralis (origo lumbalis) Lower Back The lateral femoral cutaneous nerve arises from L2-L3 and crosses the iliacus muscle obliquely, passing under… Nerve Lumbar Dorsal Root Ganglion ganglion spinale lumbale Lower Back The lumbar dorsal root ganglia (DRG) contain the cell bodies of primary sensory neurons supplying the… Nerve Lumbar Plexus Overview plexus lumbalis (overview) Lower Back The lumbar plexus is formed within the substance of psoas major from the ventral rami of… Nerve Lumbar Sympathetic Chain truncus sympathicus lumbalis Lower Back The lumbar sympathetic chain consists of four paired ganglia running along the anterolateral aspect of the… Nerve Lumbar Sympathetic Trunk truncus sympatheticus lumbalis Lower Back The lumbar sympathetic trunk is the continuation of the thoracic sympathetic chain as it passes posterior… Nerve Nerve to Quadratus Lumborum nervus musculi quadrati lumborum Lower Back Motor branches to the quadratus lumborum arise from the ventral rami of T12 and L1-L4, entering… Nerve Posterior Cutaneous Branch of Lumbar Rami ramus cutaneus posterior rami posterioris lumbalis Lower Back The posterior cutaneous branches of the lumbar posterior rami supply the skin of the lower back… Nerve Posterior Rami of Lumbar Nerves rami posteriores nervorum lumbalium Lower Back The lumbar dorsal rami arise from each lumbar spinal nerve after it exits the intervertebral foramen… Nerve Posterior Rami of Lumbar Nerves (Detail) rami posteriores nervorum lumbalium (detail) Lower Back The posterior rami of lumbar spinal nerves divide into medial branches (supplying the facet joints and… Nerve Recurrent Meningeal Branch of Lumbar Nerve ramus meningeus recurrens nervorum lumbalium Lower Back The recurrent meningeal branches (sinuvertebral nerves) of the lumbar spine are mixed nerves formed by a… Nerve Sinuvertebral Nerve nervus sinuvertebralis Luschkae Lower Back The sinuvertebral nerve (recurrent meningeal nerve, nerve of Luschka) is a small mixed nerve formed at… Nerve Spinal Cord medulla spinalis Lower Back The spinal cord is the cylindrical neural structure within the vertebral canal extending from the foramen… Nerve Spinal Nerve Roots radices nervorum spinalium Lower Back Each spinal nerve is formed by the union of a dorsal root (sensory, entering the cord's… Nerve Superior Cluneal Nerves nervi clunium superiores Lower Back The superior cluneal nerves are the cutaneous branches of the posterior rami of L1, L2, and…

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