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The number of spinal nerves in human body is-

The number of spinal nerves in human body is- Correct Answer 31 pairs

The correct answer is 31 pairs.

The number of spinal nerves in the human body is 31 pairs.

  • Spinal nerves act as mediators or communicators between the body and spinal cord. This is done by 31 pairs of spinal nerves.
  • These 31 pairs are-
    • 8 pairs of Cervical
    • 5 Lumbar
    • 12 Thoracic
    • 5 Sacral
    • 1 Coccygeal
  • Nerve tissues consist of grey and white matter spread uniformly.
  • A neuron is a structured and functional unit of the nervous system. They are irregular in shape and able to conduct EM signals.

Important Points

The further explanation of nerve pairs is as below-

Pair Explanation
Thoracic Nerves
  • 12 TN emerges from the thoracic spine (T1-T12).
Lumbar Nerves
  • It means the lower back region five LN merge from the lumbar spine.
Sacral Nerves
  • Sacral means of the sacrum.
  • It is a bony part at the vertebral column base.
  • 5 Sacral nerves emerge from sacral bone.
Coccygeal Nerves
  • Coccygeal means tailbone.
  • One CN emerges from Coccygeal bone.
Cervical Nerves
  • Cervical means of the neck.
  • 8 cervical nerves emerge from the cervical spine.

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