Medula Espinhal Flashcards
What is the main function of the spinal cord?
To transmit signals between the brain and the rest of the body.
Where is the spinal cord located?
It is located within the spinal canal, which runs through the vertebral column.
What are the three layers that surround the spinal cord called?
Dura mater, arachnoid mater, and pia mater.
True or False: The spinal cord is protected by bone structures called vertebrae.
True.
What are the two main regions of the spinal cord?
Cervical region and lumbar region.
Which region of the spinal cord is responsible for controlling the arms and hands?
Cervical region.
What is the largest nerve in the human body that originates from the lumbar region of the spinal cord?
Sciatic nerve.
Fill in the blank: The spinal cord is part of the _______ nervous system.
Central.
What is the term for the enlargement of the spinal cord in the cervical and lumbar regions?
Cervical enlargement and lumbar enlargement.
What is the name of the bundle of nerves that extends beyond the end of the spinal cord?
Cauda equina.
What is the term for the collection of nerve roots at the end of the spinal cord resembling a horse’s tail?
Cauda equina.
What is the main function of the gray matter in the spinal cord?
To process sensory information and initiate motor responses.
True or False: The white matter in the spinal cord contains cell bodies and dendrites.
False.
What is the name of the structure that connects the spinal cord to the brain?
Brainstem.
What is the term for the crossing of fibers from one side of the body to the other in the spinal cord?
Decussation.
