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A&P 1 Skeletal System
Quiz 7
38
Anatomy
Undergraduate 3
11/13/2011

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Term
The skeletal system is composed of
Definition
206 bones
Term
The axial portion is composed of
Definition
the skull, the vertebrae, and the tiny bone thorax
Term
tiny bone thorax consists of
Definition
sternum, costal cartilage, and the ribs
Term
disarticulated
Definition
dismembered or taken apart; not together
Term
8 major bones of the skull
Definition
1 - frontal bone 2 - parietal bones ( R and L) 3 - temporal bones ( R and L) 4 - occipital bone 5 - spenoid bone 6 - ethmoid bone
Term
How many pairs of true ribs do we have?
Definition
7 pairs
Term
True ribs are attached to
Definition
the sternum via the costal cartilage
Term
How many pairs of false ribs do we have?
Definition
5 pairs
Term
What ribs make up the false ribs?
Definition
3 pairs of costal cartilage of 7th true rib pair and 2 pairs of floating ribs
Term
The 3 pairs of costal cartilage have no
Definition
sternal attachment
Term
The 2 pairs of floating ribs have no
Definition
anterior attachment
Term
The bones of the skull are joined together by
Definition
sutures
Term
wormian bones
Definition
the irregular bones located between the suture lines
Term
coronal
Definition
connects the frontal bone with the R and L parietal bones
Term
sagittal
Definition
connects the R and L parietal bones
Term
squamosal
Definition
connects the R temporal with the R parietal bone and the L temporal with the L parietal bone
Term
lamboidal
Definition
connects the occipital bone with the parietal bones
Term
bone markings
Definition
landmarks on the bone, usually divided into openings and projections
Term
Another name for joint =
Definition
articulation
Term
foramen
Definition
a hole in the bone
Term
fissure
Definition
a narrow, boomerang shaped slit-like opening
Term
fossa
Definition
a depression in the bone, often frms a joint
Term
meatus
Definition
a naturally formed channel or canal
Term
sinus
Definition
an air filled cavity
Term
What is the sinus lined with?
Definition
mucous membrane
Term
4 locations of the sinuses
Definition
1 - frontal
2 - maxillary
3 - ethmoid
4 - sphenoid
Term
projections
Definition
point of attachment for muscles
Term
head
Definition
the uppermost region of a bone
Term
condyle
Definition
a "knuckle-like" projection
Term
tubercle
Definition
a small, rounded process
Term
trochanter
Definition
a large, irregularly shaped process
Term
tuberosity
Definition
a large, roughened process
Term
spine
Definition
a sharp, slender process
Term
The pituitary gland sits in the
Definition
sella turcica
Term
Antoher word for sphenoid bone
Definition
sella turcica
Term
How many vertebrae in the cervical region?
Definition
7
Term
How many vertebrae in the thoracic region?
Definition
12
Term
How many vertebrae in the lumbar region?
Definition
5
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