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The spinal cord, proper, does not begin until past the foramen magnum, which is the exit hole in the occipital bone. The brain stem actually extends down to the level of cervical vertebrae numbers one and two.
That is not only why people with a neck fracture die, but also they can live if the break is below the brain stem.
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What is the foramen magnum in animals?
The foramen magnum is the opening at the base of the skull through which the spinal cord passes. In animals, this opening allows for the connection between the brain and the rest of the body via the spinal cord. The size and position of the foramen magnum can vary between different animal species based on their posture and locomotion.
What passes through the foramen magnum?
The mandibular nerve passes through foaramen ovale of the spenoid bone. Blood passes through the foamen ovale of the heart of the fetus.
Where does the spinal cord exit the skull?
The spinal cord exits the skull via the foramen magnum.
What protects the brain and spinal cord?
Membranes called meninges cover and protect the brain and spinal cord. The skull and spinal column also protect the brain and spinal cord, respectively. The spinal cord is made up by individual vertebrae.
What is the large opening at the base of the skull?
The large opening at the base of the skull is called the foramen magnum. It allows the spinal cord to pass through and connect to the brain.
What protects the spinal cord and the?
Membranes called meninges cover and protect the brain and spinal cord. The skull and spinal column also protect the brain and spinal cord, respectively. The spinal cord is made up by individual vertebrae.
What is the structure that descends through the for-men magnum?
The Foramen Magnum is the opening at the base of the skull through which the spinal cord descends.
Where in the body is the vertebrae located?
It is your backbone and forms a protection around your spinal cord. It runs from the base of your skull to your "tail bone".
How long is child's spinal cord?
It depends on their height. It streches from your buttocks to your neck The spinal cord in adults is approximately 42cm/17 inches long. It reaches from the foramen magnum of the skull (the very base of the skull) to the level of the first or second lumbar vertebrae which is about the same level as just below the ribs.
What structure protrudes through the foramen magnum?
The spinal cord protrudes through the foramen magnum, which is a large opening at the base of the skull that allows the spinal cord to connect to the brain stem. This opening is essential for the passage of nerves and blood vessels between the brain and the spinal cord.
Name of bone cantain a large hole called a foramen magnum?
The bone that contains a large hole called the foramen magnum is the occipital bone. It is located at the base of the skull and allows the spinal cord to pass through from the brain.
What has the author Samuel Brock written?
Samuel Brock has written: 'Injuries of the skull, brain and spinal cord' -- subject(s): Wounds and injuries, Brain, Nervous system, Skull, Spinal cord
