#2 - cranium & spinal column Flashcards
cranium has ___ bones
8
bones of the cranium (F,O,T,P,S,E)
frontal
occipital
temporal x2
parietal x2
sphenoid
ethmoid
there are ___ facial bones
14
all facial bones: (M,V,M,I,Z,P,N,L)
mandible
vomer
maxilla x2
inferior nasal conchae x2
zygomatic x2
palatine x2
nasal x2
lacrimal x2
vertebrae:
(& how many)
cervical = 7
thoracic = 12
lumbar = 5
sacral = 5
coccyx = 4
33 altogether
the ___ joins vertebrae to vertebral arch
PEDICLE
the VERTEBRAL ARCH is ___ to the body & made of ____ & ____
posterior,
right & left pedicles + laminae
LAMINAE are ___ plates of bone, that ___ from each ___ toward midline
flat
project, pedicle
VERTEBRAL FORAMEN:
-formed by ___ & ____ vertebral body
it is largest in _-spine & smallest in _-spine
the hole.
vertebral arch, posterior
C-spine, T-spine
when the vertebrae is stacked on top of one another, it creates a passage for the ___ ___
spinal cord
ARTICULAR PROCESSES/FACETS.
the ___ facet from vertebrae ___ joins with ___ facet ___.
this forms ___
2 superior, 2 inferior
superior, below
inferior, above
zygoapophyseal joints
zygoapophyseal joints:
what they do & example of articulation
resist motion in specific directions
L2 L3 zygoapophyseal joint;
inferior L3 articulates with superior L2
orientations of movement:
C-spine
T-spine
L-spine
C = 45
T = 60
L = 90
INTERVERTEBRAL FORAMEN:
superior notch of one vertebrae & inferior notch of another.
spinal nerves exit through it
CERVICAL SPINE:
size of vertebral bodies
superior & inferior articular processes:
size of vertebral foramen
small,
Superior = superior/posterior
inferior = inferior/anterior
large (for plexuses)
