What is the most inferior area of the spinal cord?

What is the inferior part of the spinal cord?

The inferior part of the vertebral canal is filled with cerebrospinal fluid (CSF) and the space is called the lumbar cistern. Within the Central Nervous System (CNS), nerve cell bodies are generally organized into functional clusters, called nuclei.


Species Human
Cervical 8
Thoracic 12
Lumbar 5
Sacral 5

Where is the inferior end of the spinal cord?

The tapering inferior end of the spinal cord is called the conus medullaris and is the official “end” of the spinal cord proper (usually at the level of the first lumbar vertebra). Inferior to the conus medullaris, groups of axons called the cauda equina project from the spinal cord.

What is the most inferior portion of the vertebral column?

The two most inferior units of the vertebral column are made up of vertebral segments that have fused together to form a single mass: the sacrum, which articulates with the os coxae to form the pelvis; and the coccyx, which consists of four coccygeal vertebrae which are fused together to form the vestigial human …

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Which part of the spinal cord is the lowest section?

The bottom of the spine is called the sacrum. It is made up of several vertebral bodies usually fused together as one. The remaining small bones or ossicles below the sacrum are also fused together and called the tailbone or coccyx.

What happens if your spinal cord hurts?

Emergency signs and symptoms of a spinal cord injury after an accident include: Extreme back pain or pressure in your neck, head or back. Weakness, incoordination or paralysis in any part of your body. Numbness, tingling or loss of sensation in your hands, fingers, feet or toes.

What part of the spine controls the heart?

Thoracic (mid back) – the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs. The twelve thoracic vertebrae are numbered T1 to T12.

What are the 5 parts of the spinal column?

The spine is composed of 33 bones, called vertebrae, divided into five sections: the cervical, thoracic, and lumbar spine sections, and the sacrum and coccyx bones. The cervical section of the spine is made up of the top seven vertebrae in the spine, C1 to C7, and is connected to the base of the skull.

Which spinal nerves affect which parts of the body?

The nerves of the cervical spine go to the upper chest and arms. The nerves in your thoracic spine go to your chest and abdomen. The nerves of the lumbar spine then reach to your legs, bowel, and bladder. These nerves coordinate and control all the body’s organs and parts, and let you control your muscles.

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What absorbs shock in the spine?

The intervertebral discs are soft structures which act as shock absorbers between each of the vertebrae (bones) in the spine. A single disc sits between each vertebra.