Chapter 16 : Spinal Cord Flashcards
what is the point in the spinal cord in the lumbar region called?
conus medullaris
what are the regions of the spinal cord?
- cervical
- thoracic
- lumbar
- sacral
the spinal cord section after the conus medullaris is called what?
cauda equina
the central line coming from the conus medullaris is called what?
filum terminale
what are the general parts of the spinal cord?
- spinal cord tissue
- meninges
- spinal nerves
what are the layers of the spinal meninges?
- dura mater
- arachnoid mater
- pia mater
what are the spaces of the spinal cord called?
epidural space
subdural space
subarachnoid space
in the spinal cord the white matter is on the (outside/inside) and the gray matter is on the (outside/inside)
outside
inside
the arrangement of gray matter is least in the __ area of the spinal cord
thoracic
the arrangement of gray matter is most in the __ section of the spinal cord
lumbar
what are the parts of gray matter?
- dorsal horn
- ventral horn
- lateral horn
- gray commissure
- central canal
gray matter in the spinal cord contains various ___
nuclei (collection os neuron cell bodies)
what are the parts of white matter in the spinal cord?
- posterior median sulcus
- dorsal funiculus
- anterior commissure
- ventral funiculus
- anterior median fissure
- lateral funiculus
white matter contains ___ which are bundles of axons carrying specific types of information from a common origin to a common destination.
tracts
there are many tracts for __ and __ information.
- sensory
- motor
