The spinal cord and cranial nerves Flashcards
What matter is deep on the spinal cord
Gray
Dorsal
Posterior, sensory
Ventral
Anterior, motor
Spinal nerve steps if injury
- Receptor
- Sensory neuron
- Integration center
- Motor neuron
- Effector
above the dura mater and contains fat
Epidural space
between dura mater and arachnoid mater
Subdural space
between the pia mater and the arachnoid mater
Subarachnoid space
The spinal cord begins at the ______ of the skull and ends between the L1 and L2 vertebra
foramen magnum
End of the lumbar region
Conus medullaris
End of tail bone
Cauda equina
continues through the vertebral cavity and anchors to the coccyx
Filum terminale
Cervical enlargements control
Nerves of the arms
Lumbar enlargements control
Nerves of the legs
along the dorsal surface of the spinal canal
Posterior (dorsal) median sulcus
is deeper than the other
Anterior (ventral) median fissure