Vertebral Column and Vertebrae Flashcards Preview

Anatomy 6511 > Vertebral Column and Vertebrae > Flashcards

Flashcards in Vertebral Column and Vertebrae Deck (16)
1

Vertebral column

Support, movement, protection. Consists of 33 vertebrae -7 cervical, 12 thoracic, 5 lumbar, 5 sacral, 4 coccygeal. All have same general layout with subtle differences.

2

Primary curvature

Concave anteriorly - retained in thoracic and sacral region (embryo) kyphosis

3

Secondary curvature

Concave posteriorly - cervical and lumbar. Brings everything in line for efficiency in muscle usage. lordosis

4

Vertebrae

Vertebral body and arch. From arch come processes for muscle attachment and articulate points. Pedicles, laminae (flat sheets of bone to form roof of vertebral arch). Spinous process - site for muscle and ligament attachement. Transverse process - site for rib articulation. Superior/inferior articular processes - for vertebrae. Notches.

5

Transverse process

Transverse process - site for rib articulation.

6

Superior/inferior articular processes - for vertebrae.

Superior/inferior articular processes - for vertebrae.

7

Spinous process

site for muscle and ligament

8

Vertebral foramina

Form vertebral canal for spine.

9

Intervertebral foramina

Holes on side due to articulation. Allow structures (spinal nerves, blood vessels) access.

10

Cervical vert

Foramen transversarium (protect vertebral artery). Short spinous process. Atlas and Axis.

11

Atlas

C1 - no vertebral body, ring shaped. Allows for nodding.

12

Axis

C2 - rotation

13

Thoracic vertebrae

Costal facets - articulates with its own rib and the head of the rib below.

14

Lumbar

Transverse process = thin and long. Body is cylindrical, foramen is triangular.

15

Sacrum

5 fused vert.

16

Coccyx

4 fused vert