Spinal cord and Mening Flashcards
how far does the spinal cord extend
to the level of ~L1/L2
what is the end of the spinal cord called
medullary cone
route through which spinal nerve exits vertebral canal
intervertebral foramina
what information does and where the posterior Rami carry
sensory and motor information to periphery
what information and where does the anterior rami carry
sensory and motor
to perifery
Formation of a spinal nerve
Rootlets –> Roots –> spinal nerve –> rami
what does the spinal nerve divide into
anterior and posterior rami
what information does the anterior rootlets and roots carry
MOTOR
What information does the posterior rootlets and roots carry
sensory
what are the layers of the mater Superficial to deep
- Dura mater
- arachnoid mater
- pia mater
what is in the subarachnoid space
cerebral spinal fluid and webbing
what is the distal aspect of the spinal cord
medullary cone
how is the spinal cord anchored
via a thin fiber = terminal filament which carriers down distally and attaches to the tip of the coccyx
how does the spinal nerve roots continue to carry down distally
they carry down from the tip of the spinal cord as cauda equina
____ information is traveling to the posterior aspect of the spinal cord
sensory
