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Lecture 7
Axial Skeleton
46
Anatomy
Undergraduate 2
09/19/2010

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Term
fontanels
Definition
-areas where bone is not fused, covered with membrane
-allows skull to fit through birth canal
and room for brain growth
Term
hyoid bone
Definition
anterior and lateral part of neck
Term
sternum parts
Definition
-manubrium-superior
-body-middle
-xiphoid process-inferior
Term
thoracic cage (rib cage)
Definition
-sternum, ribs, costal cartilages
Term
jugular notch
Definition
superior part of manubrium
Term
sternal angle
Definition
where manubrium and body meet
(2nd rib)
Term
true ribs
Definition
1-7
Term
false ribs
Definition
8-10
indirectly attach anteriorly to sternum
Term
floating ribs
Definition
no anterior attachment
11 and 12
Term
intercostal spaces
Definition
between ribs
Term
costal (articular) cartilage
Definition
joins ribs to sternum
Term
vertebral column has this many bones
Definition
33
Term
5 types of vertebrae
Definition
-cervical
-thoracic
-lumbar
-sacral
-coccygeal
Term
vertebral body
Definition
anterior
Term
spinous process
Definition
posterior
Term
transverse process
Definition
on each of lateral sides (wings)
Term
transverse foramen
Definition
-only in cervical
-hole in transverse process for nerves/blood vessels
Term
pedicle
Definition
anterior lateral
Term
lamina
Definition
lateral posterior
Term
articular facet/process
Definition
joints for ribs/vertebrae
Term
vertebral foramen
Definition
hole for spinal cord
Term
intervertebral foramen
Definition
between the vertebrae for spinal nerves
Term
cervical
Definition
-transverse foramen -bifid spinous process -atlas -axis
Term
atlas
Definition
no vertebral body or spinous process
Term
axis
Definition
dens, vertebral body and spinous process, transverse ligament
Term
thoracic region
Definition
-has facet where ribs will attach
-angle posterior and inferior
Term
lumbar
Definition
-has large body to support weight
-quadrangular spinous process
Term
at birth vertebral column is
Definition
concave (thoracic and pelvic curvatures exist)
Term
develop as child learns to hold head up
Definition
cervical and lumbar
Term
frontal
Definition
anterior and superior
Term
temporal
Definition
lateral inferior
Term
occipital
Definition
posterior inferior
Term
parietal
Definition
lateral superior
Term
zygomatic
Definition
cheekbone
Term
sphenoid
Definition
lateral
Term
ethmoid
Definition
superior part of orbit, within nose
Term
mandible
Definition
jawbone
Term
maxilla
Definition
upper mouth
Term
nasal
Definition
between eyes
Term
vomer
Definition
inferior part of wall of nasal cavity
Term
orbit
Definition
eye socket, made of multiple bones
Term
external auditory meatus
Definition
hole in temporal bone that leads to ear canal
Term
mastoid process
Definition
inferior posterior on temporal bone
Term
styloid process
Definition
interior anterior of temporal bone
Term
foramen magnum
Definition
hole where spinal cord meets brain stem
Term
foramen magnum
Definition
hole where spinal cord meets brain stem
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