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  2. Spinal nerve - Wikipedia

    en.wikipedia.org/wiki/Spinal_nerve

    A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body. In the human body there are 31 pairs of spinal nerves, one on each side of the vertebral column. [1] [2] These are grouped into the corresponding cervical, thoracic, lumbar, sacral and coccygeal regions of the spine. [1]

  3. Lumbar nerves - Wikipedia

    en.wikipedia.org/wiki/Lumbar_nerves

    The fifth lumbar spinal nerve 5 (L5) [5] originates from the spinal column from below the lumbar vertebra 5 (L5). L5 supplies many muscles, either directly or through nerves originating from L5. They are not innervated with L5 as single origin, but partly by L5 and partly by other spinal nerves. The muscles are: gluteus maximus muscle mainly S1

  4. White ramus communicans - Wikipedia

    en.wikipedia.org/wiki/White_ramus_communicans

    The white ramus communicans (pl.: rami communicantes) from Latin ramus (branch) and communicans (communicating) is the preganglionic sympathetic outflow nerve tract from the spinal cord. Each of the thoracic, and the first and second lumbar nerves contribute a white ramus communicans to the adjoining sympathetic ganglion , unlike the gray rami ...

  5. Ramus communicans - Wikipedia

    en.wikipedia.org/wiki/Ramus_communicans

    The grey rami communicantes exist at every level of the spinal cord and are responsible for carrying postganglionic nerve fibres from the paravertebral ganglia to their destination, and for carrying those preganglionic nerve fibres which enter the paravertebral ganglia but do not synapse. [citation needed] [1]

  6. Outline of the human nervous system - Wikipedia

    en.wikipedia.org/wiki/Outline_of_the_human...

    A neuron (also known as a neurone or nerve cell) is an excitable cell in the nervous system that processes and transmits information by electrochemical signaling. Neurons are the core components of the brain, spinal cord, and peripheral nerves. Soma; Axon; Myelin; Dendrite; Dendritic spine

  7. Sympathetic trunk - Wikipedia

    en.wikipedia.org/wiki/Sympathetic_trunk

    The sympathetic trunk is a fundamental part of the sympathetic nervous system, and part of the autonomic nervous system.It allows nerve fibres to travel to spinal nerves that are superior and inferior to the one in which they originated.

  8. List of nerves of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_nerves_of_the...

    Composition and central connections of the spinal nerves; Pathways from the brain to the spinal cord; The meninges of the brain and medulla spinalis; The cerebrospinal fluid; The cranial nerves. The olfactory nerves; The optic nerve; The oculomotor nerve; The trochlear nerve; The trigeminal nerve; The abducens nerve; The facial nerve; The ...

  9. Ventral root of spinal nerve - Wikipedia

    en.wikipedia.org/wiki/Ventral_root_of_spinal_nerve

    Anatomy figure: 02:04-12 at Human Anatomy Online, SUNY Downstate Medical Center; Atlas image: n3a6p1 at the University of Michigan Health System - "Autonomic Connections of the Spinal Cord" Anatomy Atlases – Microscopic Anatomy, plate 06.114 - "Spinal Root Nerve Fibers" Diagram at tcc.fl.edu (look for #2)

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