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  2. Spinal cord - Wikipedia

    en.wikipedia.org/wiki/Spinal_cord

    The spinal cord is a long, thin, tubular structure made up of nervous tissue that extends from the medulla oblongata in the lower brainstem to the lumbar region of the vertebral column (backbone) of vertebrate animals. The center of the spinal cord is hollow and contains a structure called the central canal, which contains cerebrospinal fluid.

  3. Spinal column - Wikipedia

    en.wikipedia.org/wiki/Spinal_column

    Because the vertebral column will outgrow the spinal cord during child development, by adulthood the spinal cord often ends at the upper lumbar spine (at around L1/L2 level), the lower end of the spinal canal is occupied by a ponytail-like bundle of spinal nerves descriptively called cauda equina (from Latin "horse's tail"), and the sacrum and ...

  4. Body cavity - Wikipedia

    en.wikipedia.org/wiki/Body_cavity

    Just as the brain and spinal cord make up a continuous, uninterrupted structure, the cranial and spinal cavities that house them are also continuous. The brain and spinal cord are protected by the bones of the skull and vertebral column and by cerebrospinal fluid, a colorless fluid produced by the brain, which cushions the brain and spinal cord ...

  5. Neuromere - Wikipedia

    en.wikipedia.org/wiki/Neuromere

    The spinal cord is protected by three layers of tissue, called spinal meninges, that surround the canal. The dura mater is the outermost layer, and it forms a tough protective coating. Between the dura mater and the surrounding bone of the vertebrae is a space called the epidural space .

  6. Head and neck anatomy - Wikipedia

    en.wikipedia.org/wiki/Head_and_neck_anatomy

    Association neurons are located in the grey matter of the spinal cord and the brain. The CNS is protected by the cranium, vertebral column, meninges, cerebrospinal fluid. The spinal cord is an extension of the brain. The spinal cord and the brain stem are joined at the base of the cranium at the foramen magnum. Most of the functions of the head ...

  7. Thoracic vertebrae - Wikipedia

    en.wikipedia.org/wiki/Thoracic_vertebrae

    The vertebral foramen is the large opening posterior to the vertebral body also known as the spinal canal. It contains and protects the spinal cord at the thoracic level. The spinous process is long, triangular on coronal section, directed obliquely downward, arising from the lamina and ending in a tuberculated extremity. These processes ...

  8. What’s the history of the Panama Canal, and why is Trump ...

    www.aol.com/news/history-panama-canal-why-trump...

    Since then, China’s influence in the area around the canal has grown. Responding to Trump’s remarks over the weekend, Mulino, the Panamanian president, said, “Rates are not a whim.”

  9. Cranial cavity - Wikipedia

    en.wikipedia.org/wiki/Cranial_cavity

    The frontal and sphenoid bones are towards the front middle of the skull and in front of the temporal bone. The ethmoid bone is the bone at the roof of the nose that separates the nasal cavity from the brain. It is a part of the dorsal cavity the cranial cavity and the spinal cord. The occipital bone is at the back of the skull.