Back

name the 2 major parts of an intervertebral disc

annulus fibrosus, nucleus pulposus

what does a herniated disc implies

an annulus tear and nucleus pulposus profrusion, causing nerve root compression, inflammation, pain and loss of normal disc mechanics

Name the LHS

posterior longitudinal ligament

name the RHS

anterior longitudinal ligament

ligament flavum

Lower arrow

ligamentum nuchae

Which ligament is contained within the vertebral canal?

posterior longitudinal ligament

trapezius

lower

levator scapulae

upper

rhomboid minor

lower

rhomboid major

latissimus dorsi

serratus posterior superior

upper

serratus posterior inferior

superficial

errector spinae

deep

transversospinalis

c7 vertebra prominens

thoracic spinous processes

sacral triangle

(sacral triangle) where is the apex located

s3

where is the base of the sacral triangle

between right and left posterior superior iliac spine

B

posterior root / dorsal root

E

anterior root

circled part

spinal nerve

red

posterior ramus

red

anterior ramus

state the blood supply of the spinal cords

1 anterior spinal artery 2 posterior spinal artery

state vertebral level as well

conus medullaris L1/L2

+ state the level where it ends

cauda equina, S2

B/D

filum terminale

white arrows

denticulate ligaments

what are denticulate ligaments

21 toothlike extensions of pia mater that externs from foramen magnum to L1, laterally from the spinal cord to the arachnoid mater and dura mater

what does the caudal sac contain

CSF, cauda equina, filum terminale

where does the caudal sac terminates

S2 NB

blue portion

lumbar cistern

what is filum terminale

strand of pia mater

what does epidural space contain

epidural fat, internal vertebral venous plexus, posterior longitudinal ligament

blue

internal vertebral venous plexus

green

intervertebral foramen

what is periradicular recess

a very narrow portion of the subarachnoid space that surrounds the dorsal root ganglion and nerve roots as they course through intervertebral foramen

posterior ramus of spinal nerve

ventral ramus of spinal nerve