Flashcards in Spinal Cord Segments, Roots and Nerves Deck (15)
A SC ___________ is the area of the spinal cord from which a pair of dorsal and ventral roots arise.
Are there distinct boundaries between SC segments?
What is the name of the bony channel, where the anterior and posterior roots join together to form a spinal nerve?
Where is the spinal nerve particularly vulnerable to injury?
The dorsal (posterior) root carries ___________ information.
The ventral (anterior) root carries ___________ signals from the spinal cord to muscles and viscera.
Each vertebra has 2 ___________ that project posteriorly to form the spinous process.
Moving inferiorly down the SC, the length of the nerve roots ______________ progressively.
Which roots (below the conus medullaris) form the cauda equina?
LUMBAR SPINAL NERVE ROOTS
SACRAL SPINAL NERVE ROOTS
How many pairs of spinal nerves and segments does the SC have?
31 and 31
Name the 31 SC segments?
The names of the spinal nerves correspond to the names of the SC ____________ from which the emerge.
Each of the first cervical nerves leaves the vertebral column ___________ the corresponding vertebrae.
The eighth cervical nerve leaves between the ___________ cervical, and the __________ thoracic vertebrae.