Spinal Cord

1. What are the 3 Main Parts of the Spinal Cord?

Spinal cord is a long cylindrical structure present in the central nervous system. It is divided into four parts: cervical (C), thoracic (T), lumbar (L) and sacral (S).

2. What are the 31 Spinal Nerves?

There are 31 pairs of spinal nerves and nerve roots including: 8 cervical, 5 lumbar, 12 thoracics, 5 sacral and 1 coccygeal pair of spinal nerves.

3. Where is Spinal Cord Located?

The spinal cord is located within the vertebral column that extend from the base of the brainstem to the lumbar region of the spinal cord. It transmites nerve signals between the brain and the rest of the body.

4. What is the Main Function of Spinal Cord?

The main function of the spinal cord includes it send motor signals from the brain to the body, send sensory signals from the body to the brain, and coordinate various reflexes.

5. Can Spinal Nerve Damage be Cured?

Damage to the spinal cord can not be cured. Depending upon the location and severity of the injury some improvement may occur through rehabilitation and medical interventions.



What is Spinal Cord? Diagram, Anatomy and its Functions

Spinal Cord is an important part of the central nervous system. It is a cylindrical bundle of nerves and support cells present within the vertebral column and is surrounded by the Meninges and Cerebrospinal fluid. It connects the brain to the lower back. The spinal cord is divided into cervical, thoracic, lumbar, and sacral segments. There are 31 pairs of nerves and nerve roots in the spinal cord. The spinal cord carries nerve signals from the brain to the body and vice versa. Injuries or diseases affecting the spinal cord can lead to paralysis, sensory deficits, and impaired organ function.

Table of Content

  • Spinal Cord Anatomy
  • Diagram of Spinal Cord
  • Structure of the Spinal Cord
  • Difference Between Spinal Cord and Vertebral Column
  • Function of the Spinal Cord 
  • Clinical Aspects

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Spinal Cord Anatomy

Spinal Cord lies in the vertebral canal which is surrounded by meninges and Cerebrospinal fluid. It present above Medulla oblongata and extends from the upper border of the Atlas to the lower border of the first lumbar vertebra in adults. It is 45 cm in an adult male and 42cm in an adult female. It is surrounded by three meninges namely Dura mater(outer most), Arachnoid mater(middle) Pia mater(inner most). It is divided into five different parts....

Diagram of Spinal Cord

Below is the diagram of the spinal cord showing its different parts:...

Structure of the Spinal Cord

The spinal cord is a cylindrical, long structure that runs along the vertebral column and extends from the base of the brain to the lower back. It is composed of nerve tissue, including neurons and glial cells. The spinal cord is divided into segments: cervical, thoracic, lumbar, and sacral. The spinal cord consists of two main types of tissue: grey matter and white matter....

Difference Between Spinal Cord and Vertebral Column

The Differences Between Spinal cord and vertebral column are as follows:...

Function of the Spinal Cord

Spinal Cord has the following functions:...

Spinal Cord Injuries

Damage or injury to the spinal cord results in the permanent damage to the spinal cord. It affects the regular functioning of the spinal cord and there is no replacement for it. Injury to the spinal cord can damage the spinal nerves and the vertebral column but also affects other muscles and vital organs. Paralysis from an injury can be of two types: Tetraplegic and Paraplegic....

FAQs on Spinal Cord

1. What are the 3 Main Parts of the Spinal Cord?...