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Axial Skeleton
Ribs, Sternum and Throax
25
Anatomy
Undergraduate 2
10/02/2016

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Cards

Term
_________ are considered "true ribs"
Definition
first 7
Term
why are some ribs considered "true ribs"
Definition
because they articulate with the sternum using their own costal cartilage
Term
ribs ______ (number) are considered "false ribs"
Definition
8-12
Term
Ribs 11 and 12 are considered ________ because _____________
Definition
floating ribs, they do not articulate with the sternum and the anterior ends are embedded in the abdominal muscles
Term
ribs 8-10 have common coastal cartilage that attach to the cartilage of which rib?
Definition
7
Term
What are the 4 landmarks of the ribs?
Definition
Head, Tubercle, Angel and costal end
Term
what is the purpose of the rib head?
Definition
articulate with facet on vertebra
Term
what is the purpose of the rib tubercle?
Definition
articulate with facet on transverse process
Term
what is the rib angel?
Definition
a bend in the rib
Term
what is the purpose of the costal end
Definition
articulate via costal cartilage with sternum
Term
what are the 3 landmarks of the sternum
Definition
Xiphoid process, manubrium and nody
Term
____ and ____ articulate with the manubrium
Definition
clavicle and 1st rib
Term
the superior boarder of the manubrium is known as the ____
Definition
suprasternal notch
Term
the manubrum is _____ to the body of the sternum
Definition
superior
Term
the joint between the manubrium and the body is known as _____
Definition
sternal angel
Term
the sternal angel is where the ________ of the second rib is located
Definition
costal cartilage
Term
which landmark is used in surface anatiomy to landmark where to start counting ribs?
Definition
Sternal angel
Term
The sternal angel is where ______ divides into ______ and _____ _______
Definition
trechea, left and right brochii
Term
the inferior boarder of the sternum's body is known as ____
Definition
infrasternal notch
Term
the xiphoid process is _____ to the body of the sternum
Definition
inferior
Term
the thorax can move in ___ direction
Definition
3
Term
why does the thorax move
Definition
to increase volume of body cavity during inspiration
Term
vertical change occurs when __________
Definition
contraction of the diaphragm increases the vertical dimention
Term
anterior/posterior and lateral change will occur when _______
Definition
contraction of muscles around the ribs elevate the ribs
Term
experation for the most part uses _______ (type of movement) in _____ (body part) and _____ (body part)
Definition
natural elastic recoil, lungs and throax
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