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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. Thoracic spinal nerve 1 - Wikipedia

    en.wikipedia.org/wiki/Thoracic_spinal_nerve_1

    Thoracic spinal nerve 1. The plan of the cervical and brachial plexuses. The spinal cord with spinal nerves. The thoracic spinal nerve 1 (T1) is a spinal nerve of the thoracic segment. [ 1] It originates from the spinal column from below the thoracic vertebra 1 (T1).

  4. Long thoracic nerve - Wikipedia

    en.wikipedia.org/wiki/Long_thoracic_nerve

    The long thoracic nerve arises from the anterior rami of cervical spinal nerves C5, C6, and C7. [1] [2] [3] The root from C7 may occasionally be absent. [4]The roots from C5 and C6 pierce through the scalenus medius, while the C7 root passes in front of the muscle.

  5. Thoracic vertebrae - Wikipedia

    en.wikipedia.org/wiki/Thoracic_vertebrae

    The fourth thoracic vertebra, together with the fifth, is at the same level as the sternal angle. The thoracic spinal nerve 4 (T4) passes out underneath it. A thoracic spine X-ray of a 57-year-old male. Surface orientation of T3 and T7, at middle of spine of scapula and at inferior angle of the scapula, respectively.

  6. Thoracic spinal nerve 12 - Wikipedia

    en.wikipedia.org/wiki/Thoracic_spinal_nerve_12

    The spinal cord with spinal nerves. The thoracic spinal nerve 12 (T12) is a spinal nerve of the thoracic segment. [1] It originates from the spinal column from below the thoracic vertebra 12 (T12). It may also be known as the subcostal nerve.

  7. Posterior branches of thoracic nerves - Wikipedia

    en.wikipedia.org/wiki/Posterior_branches_of...

    The medial branches of the posterior divisions of the upper six thoracic nerves run between the semispinalis dorsi and multifidus, which they supply. They then pierce the rhomboidei and trapezius, and reach the skin by the sides of the spinous processes . The medial branches of the lower six are distributed chiefly to the multifidus and ...

  8. Peripheral nervous system - Wikipedia

    en.wikipedia.org/wiki/Peripheral_nervous_system

    The last four cervical spinal nerves, C5 through C8, and the first thoracic spinal nerve, T1, combine to form the brachial plexus, or plexus brachialis, a tangled array of nerves, splitting, combining and recombining, to form the nerves that subserve the upper-limb and upper back. Although the brachial plexus may appear tangled, it is highly ...

  9. Intercostal nerves - Wikipedia

    en.wikipedia.org/wiki/Intercostal_nerves

    The intercostal nerves are part of the somatic nervous system, and arise from the anterior rami of the thoracic spinal nerves from T1 to T11. [1] [2] The intercostal nerves are distributed chiefly to the thoracic pleura and abdominal peritoneum, and differ from the anterior rami of the other spinal nerves in that each pursues an independent course without plexus formation.

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