Answer :
The growth of the vertebrae continues longer than the growth of the spinal cord itself, so the spinal cord in an adult is shorter than the vertebral canal that houses it.
Essentially, as humans grow, the vertebral column grows larger than the spinal cord. Between the anterior and posterior portions of the vertebra is the spinal canal that houses the spinal cord and the intravertebral foramen. Foramina are small gaps formed between each vertebra. The spinal cord is located within the vertebral canal, surrounded and protected by the vertebrae. The spinal meninges a protective three layer The growth of the vertebrae continues longer than the growth of the spinal cord itself, so the spinal cord in an adult is shorter than the vertebral canal that houses it.
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