Spinal Cord Flashcards
Where does the spinal cord end?
L1-L2
What is the conus medullaris/ terminallis?
Point where the spinal cord fans into the cauda equina
What is the filum terminalis?
extension of pia mater that extends to the coccyx and acts to support the cuada equina.
Where is the cervical enlargement located at?
C4-T1
Where is the lumbar enlargement located at?
T11-S1
What component does the dura in the spinal cord NOT HAVE when compared to the mater of the cranium?
Periosteol component.
Where is a lumbar puncture typically performed
L3/L4
describe information process in the white ramus commincans and where it is located.
carries preganglionic information to the sympathetic chain.
located @ T1-L2
Describe the information carried by the grey ramus communicans and what level it is found at.
Post ganglionic effernt information to target organ.
Located at all levels.
Which spinal cord artery forms the vertebral arteries?
Anterior
Where do the posterior spinal cord arteries run through
one in EACH dorsolatereal sulcus
Which spinal cord artery typically forms the posterior, inferior cerebellar artery?
Posterior spinal artery
Where does the spinal segmental arteries orginate from?
Vertebral artery
POSTERIOR intercostals
Lumbar arteries
What do the segmetnal spinal arteries bificate into?
anterior and posterior radicular artery
Where is the artery of Adamkiewicz located?
Lumbar enlargement
