Vertebral Column Flashcards Preview

Anatomy Mini 1 > Vertebral Column > Flashcards

Flashcards in Vertebral Column Deck (4)
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0
Q

Meninges

A
  • Coverings of the spinal cord
    Dura: “Tough Mother” = outermost layer, thick, fibrous tissue
    Arachnoid: filmy layer deep to dura matter
    Pia: layer covering spinal cord
1
Q

How many bones are in the vertebral column? How many in each region?

A
33 bones total:
7 Cerivcal
12 Thoracic
5 Lumbar
5 Sacral
4 Coccygeal
2
Q

Pia Matter: Denticulate ligament & Filum terminale

A

Denticulate ligament- anchors spinal cord to dura matter, found at midpoint between two spinal nerves

Filum Terminale = thin piece of pia extending distally; termination of spinal cord

3
Q

Spaces of Meninges

A
  1. Epidural - space between vertebral canal and dura matter
  2. subdural (potential space, only seen pathologically)- space between dura and arachnoid matter
  3. Subarachnoid- space between arachnoid matter and pia matter
    • contains Cerebrospinal fluid
    • Lumbar cistem enlargement of subarachnoid space inferior to conus medullaris