Vertebral canal and contents Flashcards
Do deep or superficial ALL fibres span multiple segments
Superficial
deep fibres bind adjacent vertebrae
Name the attachments of the PLL
from C2 to sacrum
to IV discs and vertebral margins
What 5 ligaments are found in/around the vertebral arch and process
ligament flava
interspinous
supraspinous
intertransverse
nuchal ligament
What vertebral structure does ligament flava connect
adjacent laminae
What movement does the PLL, ligament flava and nuchal ligament limit
flexion of spine
describe the anatomy of interspinous ligaments
connects adjacent spinous processes
thin, weak and membranous
Give the attachments of supraspinous ligament
C7 - sacrum
Describe the structure of each regional fibre division of the intertransverse ligaments
cervical - scattered
thoracic - fibrous
lumbar - membranous
What is the nuchal ligament structurally
a thickened fibroelastic tissue
Give the attachments of the nuchal ligament
from external occipital protuberance and posterior border of foramen magnum to spinous processes C1-C7
runs continuously with supraspinous ligament
What 2 enlargements of the spinal cord are found
Cervical @ C4-T1
Lumbosacral @ L1-S3
How are spinal nerves named (where does the rule change)
cervical - named after vertebrae below
except C8, no C8 vertebrae
T1 onwards is named after vertebrae above
What is the filum terminale
remnant of caudal part of spinal cord
What can be found in epidural space
internal vertebral venous plexuses
epidural fat
Describe the role of denticulate ligaments
Suspend the cord in the dural sac
