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anatomy
skeletal system
54
Anatomy
Undergraduate 1
09/18/2012

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Term
the sutures
Definition
-coronal
-sagittal
-squamousal
-lambdoidal
Term
coronal
Definition
separates the frontal bone from the two parietal bones
Term
sagittal
Definition
separtes the left and right parietal bones and connects to the coronal and lambdoidal sutures
Term
squamosal
Definition
lateral sutures connecting the parietal bone to the temporal bone
Term
lambdoidal
Definition
seperates the left and right parietal bones from the occipital bone (posterior side cranium)
Term
cranial fossae
Definition
-anterior
-middle
-posterior
Term
cranial fossae
anterior
Definition
-cresent shaped
-accomadates the BRAINS FRONTAL LOBES
Term
cranial fossae
middle
Definition
-drops abruptly deeper
-shaped like out stretched bird wings
-accommodates the BRAIN TEMPORAL LOBES
Term
cranial fossae
posterior
Definition
-deepest
-accommodates the CEREBELLUM OF THE BRAIN
Term
hyoid bone
Definition
-is a slender bone between the chin and larynx
-it is suspended from the styloid process of the temporal bone by small muscle and ligaments
-it serves for attachment of several muscles controlling the
--MANDIBLE
--TONGUE
--LARYNX
Term
vertebral column
Definition
the back bone
Term
33 vertebrae in
Definition
children
Term
26 vertebrae in
Definition
adults
Term
26 vertebrae in adults
Definition
-sacral vertebrae-----------fusion of 5
-coccygeal vertebrae--------fusion of 4
Term
intervertebral discs and ligaments
Definition
-absorbs stresses from walking, running, lifting
-provides attachments for limbs, thoracic cage, postural muscles
Term
spinal curvatures
Definition
-primary curvature
-secondary curvature
Term
primary curvature
Definition
shape in newborns (c-shape)
Term
secondary curvature
Definition
concave changes in shape
-cervical
-lumbar
-kyphosis
-scoliosis
-lordosis
Term
secondary curvature
cervical
Definition
for supporting and balance of head
Term
secondary curvature
lumbar
Definition
for balance and support over pelvis
(walking upright)
Term
secondary curvature
kyphosis
Definition
(hunchback) exaggerated thoracic curvature
Term
secondary curvature
scoliosis
Definition
abnormal lateral curvature
Term
secondary curvature
lordosis
Definition
exaggerated lumbar curvature
Term
spinal curvatures
specific regions
Definition
-cervical;neck
-thoracic;ribcage
-lumbar;lower back
-sacral;posterior wall of pelvic cavity
Term
structure of a vertebra
Definition
-body or centrum
-certebral arch and pedicel
-spinous process and transverse process
-vertebral foramen
-intervertebral foramen
Term
body or centrum
Definition
-weight-bearing portion
-mass of spongy bone and red bone marrow covered with a thin layer of compact bone
Term
vertebral arch and pedicel
Definition
bony covering of vertebral canal
(foramen)
Term
spinous process
transverse process
Definition
-extensions of vertebral arch
-provides points of attachment for spinal muscle
Term
vertebral foramen
Definition
-dorsal to vertebral body
-a canal for passage of spinal cord
Term
intervertebral foramen
Definition
-viewed laterally
-opening formed between adjoining vertebrae, passage for spinal nerves
Term
specific vertebrae
Definition
-breakfast
-lunch
-dinner
-atlas
-axis
-sacrum
-coccyx
Term
specific vertebrae
breakfast
Definition
cervical vertebrae
Term
specific vertebrae
lunch
Definition
thoracic vertebrae
Term
specific vertebrae
dinner
Definition
lumbar vertebrae
Term
specific vertebrae
atlas
Definition
-supports the head, articulates with occipital condyles
-moves head back and forth as to nod yes
Term
specific vertebrae
axis
Definition
-allows rotation of the head as in gestering "NO"
-has a distinctive struture called "dens"
Term
specific vertebrae
sacrum
Definition
-forms the doesal wall of the pelvic cavity(fusion of 5 sacral vertebrae)
-provides passage way for nerve and blood vessels(pelvic, gluteal, lower limbs)
Term
specific vertebrae
coccyx
Definition
-vestige of a tail
-fusion of 4 vertebrae
-provides the attachment of muscles of pelvic floor
Term
the bony thorax
Definition
-sternum
-ribs
Term
the bony thorax is
Definition
-a conical enclosure for the lungs and heart
-provides attachment for pectoral girdle and upper limbs
Term
sternum is
Definition
a bony plate anterior to the heart
Term
sternum is made up of
Definition
-manubrium
-body
-xiphoid
Term
sternum
manubrium
Definition
-board superior portion
-sternal notch
-(jugalar notch)located between the clavicles
Term
sternum
body
Definition
-longest part
-sternal angle
-jointing of the manubrium and body
-a transverse ridge(location of the second rib attachment)
Term
sternum
xiphoid
Definition
-inferior end of sternum
-pointed
-attachment for some abdominal muscles
Term
ribs
Definition
-12 pairs
-no difference between sexes
Term
parts of ribs
Definition
-head(articulates with vertebrae)
-neck(connecting head and tubercle)
-shaft(flat blade shaped)
Term
ribs
head
Definition
articulates with vertebrae
Term
ribs
neck
Definition
connecting head and tubercle
Term
ribs
shaft
Definition
flat blade shaped
Term
true ribs or
vertebrosternal
Definition
-ribs 1-7
-attached directly to the sternum
Term
false ribs or
vertebrochondral
Definition
-ribs 8-10
-attached to 7th rib
Term
floating ribs or
vertebral
Definition
-ribs 11 & 12
-do not have any attachment to the sternum
Term
parts of ribs is
Definition
-true
-false
-floating
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