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The Axial Skeleton
Structure & function.
38
Anatomy
Undergraduate 1
12/07/2010
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Term
Components of the axial skeleton (3).
 Definition

  1. Skull
  2. Vertebral column
  3. Thoracic cage
Term
Two parts of the skull.
 Definition

Facial skeleton (14 bones)

The Vault (brain case - 8 bones)
Term
Parts of the temporal bone (3).
 Definition
Mastoid process, styloid process, external accoustic meatus (ear-hole)
Term
The condyloid process articulates with _______________ to form the temporo-mandibular joint.
 Definition
mandibular fossa
Term
Small holes known as _________ allows passage of cranial nerves and blood vessels into the skull.
 Definition
foramina
Term
The vertebral column consists ____ vertebrae.
 Definition
30
Term
There are ____ cervical vertebrae.
 Definition
7
Term

There are ____ thoracic vertebrae.

 Definition
12
Term

There are ____ lumbar vertebrae.

 Definition
5
Term

There are ____ sacral vertebrae.

 Definition
5
Term

There are ____ coccygeal vertebrae.

 Definition
1 or 2
Term
The bodies of the vertebrae articulate vertically via the _________________________.
 Definition
intervertebral discs
Term
The facial skeleton is made up of ___ bones.
 Definition
14
Term
Another name for "brain case".
 Definition
Vault.
Term
The vault (brain case) is made up of ____ bones.
 Definition
8
Term
The vertebral column is made up of ___ vertebrae
 Definition
30
Term
The weight bearing part of the vertebral column.
 Definition
Body
Term
The outer fibrocartilage cortex of the intervertebral discs.
 Definition
Anulus fibrosis
Term
The pulpy medulla (inner core) of the intervertebral discs.
 Definition
Nucleus pulposus.
Term
The vertebral arch is made up of ___ bony processes.
 Definition
4
Term
The four bony processes that make up the vertebral arch.
 Definition

  1. Rounded pedicles (x 2)
  2. Flat laminae (x 2)
Term
The arch + the body of the vertebral structure make up the ___________.
 Definition
vertebral foramen
Term
The inravertebral notch exists (ABOVE/BELOW) the pedicle.
 Definition
BELOW
Term
The spinal nerves exit through the ______________.
 Definition
intervertebral foramen
Term
The (LOWER/UPPER) five cervical vertebrae are considered typical.
 Definition
LOWER
Term
C1 and C2 (cervical vertebrae) are referred to as the ___________ and the __________ respectively.
 Definition
atlas; axis
Term
The atlas (C1) has a ________ vertebral foramen than the other cervical vertebrae but a __________ body.
 Definition
larger; smaller
Term
The prominent feature of the C2 (axis) is the ________ (aka odonoid process)
 Definition
dens
Term
The dens is a vertical projection from the body that fits into the space created by the absent part of the ___________ of the atlas.
 Definition
body
Term
The typical cervical vertebrae have a foramen for the _______________ artery.
 Definition
vertebral
Term
Most of the spinous processes are bifid except _____________.
 Definition
C1 (The Atlas)
Term
The bodies of thoracic vertebrae are (THICKER/THINNER) than the bodies of cervical vertebrae.
 Definition
THICKER
Term
Each succeeding body of the thoracic vertebrae is (THICKER/THINNER) than the one above it.
 Definition
THICKER
Term
The shape of the bodies of thoracic vertebrae.
 Definition
Kidney
Term
Shape of the bodies of the lumbar vertebrae.
 Definition
Oval
Term
The lumbar part of the vertebral column is (FLEXIBLE/STIFF).
 Definition
FLEXIBLE
Term
With aging the sacral region of the vertebral column ______.
 Definition
fuse
Term
The sacrum is attached to L5 by a normal ____________________ disc.
 Definition
intervertebral
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