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Anatomy 1
Spine and spinal cord
24
Anatomy
Undergraduate 1
01/12/2011

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Term
fibrocartilage
Definition
compressible, absorbs and loses fluidabsorb shock, assure no friction
between the bones and facilitate the movements
of the vertebral column
Term
numbers and types of vertebrae
Definition
7 cervical, 12 thoracic, 5 lumbar, 5 sacral, 4-5 coccygeal
33-34 total
Term
lordotic curve
Definition
curve anteriorly
Term
kyphotic curve
Definition
curve posteriorly
Term
When does the first secondary curvature appear?
Definition
3 months, the cervical curvature
Term
when does the other secondary curvature appear?
Definition
9-10 months, the lumbar curvature
Term
what are the 3 meninges?
Definition
dura matter, arachnoid matter, and pia matter
Term
dura matter
Definition
outermost meninge, separated from bone
Term
arachnoid matter
Definition
deep to dura matter, second meninge
Term
pia matter
Definition
innermost meninge
Term
what is the space between the dura matter and the bone?
Definition
the epidural space
Term
what is the space between the arachnoid and dura matter called?
Definition
the subdural space
Term
what is the space between the pia and arachnoid matter called?
Definition
the subarachnoid space
Term
what is contained in the subarachnoid space?
Definition
CSF, cerebrospinal fluid
Term
choroid plexus
Definition
structure in the ventricles of the brain where cerebrospinal fluid (CSF) is produced
Term
in an adult, where does the spinal cord terminate? in a newborn?
Definition
L1 in an adult, L3 in newborns
Term
what is the lumbar cistern?
Definition
the subarachnoid space near the lumbar vertebrae that has a lot of CSF, location for LP(spinal tap)
Term
how is an LP done?
Definition
patient lays on side, curves back. line is drawn straight between iliac crests to find space between L3 and L5
Term
what passes through the transverse foramen of the 6 upper cervical vertebrae?
Definition
the vertebral arteries
Term
how many cervical nerves are there?
Definition
8
Term
what are the characteristics of cervical vertebrae?
Definition
transverse foramen, bifid spinous process, small vertebral body, large and triangular vertebral canal.
Term
the first cervical vertebrae is called what? the second? the seventh?
Definition
first is the atlas (tilts head), second is the axis (turns head), and the 7th is the Vertebra Prominens
Term
where is the DRG (dorsal root ganglion) found?
Definition
the intervertebral foramen
Term
what kind of cartilage covers articular surfaces?
Definition
hyaline
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