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Spinal Cord
The spinal cord is long, cylindrical rod present inside the neural canal of vertebral column. It is a part of central nervous system and controls reflex actions of the body.
1,619 Questions
the central canal
Is the brain attached to the spinal cord directly?
yes spinal cord attached to the brain .spinal cord have bundles of nerves which attached to the brain.
How information flows in a spinal reflex?
The spinal reflex enters via the dorsal horn via the afferent nerves sensing the stimulus, e.g. nociceptors (pain receptors) in the skin. The afferent nerve synapses directly onto the efferent nerve responsible for skeletal muscle movement and leaves via the ventral horn, traveling to the muscle responsible for eliciting the response.
Wgat PArt of the nervous system includes the brain and spinal cord?
Unlike the Peripheral nervous system, the Central Nervous System includes the brain and the spinal chord.
Softening of brain tissue, usually caused by vascular insufficiency or degenerative changes. Also called cerebromalacia.Source: The American Heritage® Medical Dictionary
Does the central canal contain cerebrospinal fluid?
yes the canal does contain cerebrospinal fluid....
What is some information on the spinal cord?
The spinal cord is a thick white cord of brain cells that runs down the backbone.
The spinal cord is also a very important part of the body because it carries all the message from the brain to all the different parts of your body. Any damage to this part of the body would mean that your brain will not be able to control some of the parts of your body. You might not be able to walk or play.
Anatomy of the Nervous SystemIf you think of the brain as a central computer that controls all bodily functions, then the nervous system is like a network that relays messages back and forth from the brain to different parts of the body. It does this via the spinal cord, which runs from the brain down through the back and contains threadlike nerves that branch out to every organ and body part.When a message comes into the brain from anywhere in the body, the brain tells the body how to react. For example, if you accidentally touch a hot stove, the nerves in your skin shoot a message of pain to your brain. The brain then sends a message back telling the muscles in your hand to pull away. Luckily, this neurological relay race takes a lot less time than it just took to read about it.
Considering everything it does, the human brain is incredibly compact, weighing just 3 pounds. Its many folds and grooves, though, provide it with the additional surface area necessary for storing all of the body's important information.
The spinal cord, on the other hand, is a long bundle of nerve tissue about 18 inches long and ¾ inch thick. It extends from the lower part of the brain down through spine. Along the way, various nerves branch out to the entire body. These are called the peripheral nervous system.
What is a dorsal hollow nerve cord?
The dorsal nerve cord is one of the embryonic features unique to chordates, along with a notochord, a post-anal tail and pharyngeal slits. It is a hollow cord dorsal to the notochord. It is formed from a part of the ectoderm that rolls, forming the hollow tube, compared to other animal phyla, which have solid, ventral tubes. The dorsal nerve cord is later modified into the brain and spinal cord. Dorsal nerve cord is mainly found in phylum Vertebrata.
Dorsal means the "back" side, as opposed to the belly side (ventral).
What structure controls simple reflexes?
Reflex responses are controlled in your spinal chord, not in your brain (;
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How does the vertebrae protect the spinal cord also allow for movement?
Your spine is an elaborate unit structurally consisting of 33 vertebrae, 24 movable and 9 fused, and 23 intervertebral discs. In between each of the 24 movable vertebrae, except between C1/C2 (atlas and axis), discs are situated. These discs allow for the mobility, curvature, and shock absorption qualities of the spine. The vertebrae themselves are the main structures that protect the spinal cord via the posterior arch, consisting of pedicles and laminae. Therefore, the vertebrae protect the integrity of the spinal cord, but the discs are the structures responsible for the motion of the spine.
The neuron that transmits a signal from the nervous system to an effector is a motor neuron.
What is a L1 vertebral fracture?
It is when the L1 vertabrae has shattered into a few to several pieces from force trauma. This will cause the pieces of the L1 vertabrae to com out of place and possibly pinching the spinal cord to cutting it.
Where does the spinal cord have gray matter?
The grey matter on a spinal cord is on the spinal roots.
Where in the vertebrae is a spinal tap done?
In rare instances, such as a spinal fluid blockage in the middle of the back, a doctor may perform a spinal tap in the neck.
Procedure formed where cerebrospinal fluid can be withdrawn without damage to the spinal cord?
a spinal tap, or lumbar puncture
What is the thickness of the spinal cord?
The spinal cord is made of nerve tissue, the spinal column surrounding it is made of bone
Is a radiography study of the spinal cord using contrast medium?
A myelogram is a radiographic study of the spinal cord using contrast medium. The process is known as myelography.
What is the name of a common back surgery designed to relieve compression on a spinal nerve?
Laminectomy
Word root meaning bone marrow or spinal cord?
Myelo is the word root meaning bone marrow or spinal cord which comes from the ancient Greek word myelon. An example is myeloblast.
Who is the top rated spinal cord injury lawyer in the United States?
The best place to find a spinal cord injury lawyer would be the yellow pages. If you're worried about reputation if the lawyer, you can try the bestter business bureau or state bar association.
What does the dorsal root of the spinal cord carry?
The dorsal root of the spinal nerves carry sensory information to the brain and is hence an afferent pathway.
