Spinal Vertebrae Flashcards

1
Q

Verbal Arch

A

Anterior (Vertebral Body, endplates)
Posterior (Pedicals, laminae, Pars, Processes)
Create passage way for spinal cord

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2
Q

Vertebral Body

A

(Soma/ centrum)

Cylindrical shaped structure

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3
Q

Endplate

A

On superior and inferior of vertebral body
Attach to vertebral body and outer layer of disk
Two layers
-inner bony layer
-outer cartilaginous layer, attaches to lamella of disk
Acts as growth plate early in life
-allows nutrition to be transferred from cancellous bone to intervertebral disk

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4
Q

Laminae

A

Thin plate of cortical bone that span Pericles and form posterior spinal canal
-protect posterior side of vertebral foramen

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5
Q

Vertebral Foramen

A

Area between anterior and posterior vertebral arches where spinal cord runs down

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6
Q

Pars Interacrticularis

A

Area between articulations processes and pedicle

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7
Q

Pedicle

A

Column of cortical bone with cancellous center that joins posterior and anterior column of spine
-used for posterior screws

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8
Q

Spinous Process

A

Middle of Laminae, projects inferior

  • attachments for muscles and ligaments
  • most posterior point of the spine
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9
Q

Transverse Process

A

Extend laterally from junction of pedicle and laminae (2 of them)
-attachment points, acts as lever

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10
Q

Articular process

A

Each spinal level has four, two superior and two inferior except for thoracic spine
-form a facet and zygapophyseal joint

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11
Q

Intervertebral Foramina

A

Notches on adjacent vertebrae that create a lateral circular opening for nerve roots and blood vessels
-can impinge if discs deteriorate or facet joints hypertrophy

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