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23 Cards in this Set
- Front
- Back
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Name the three types of Rib
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True, false and floating
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What are the three types of bones that assemble the ribcage?
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sternum, 12 pairs of ribs and 12 thoracic vertebrae.
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Sternum
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Consists of three fused bones: manubrium, the body, xiphoid.
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Body (gladiolus) of the sternum
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The middle bone
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Clavicular notch
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A depression located on the lateral side of the superior
border of the manubrium; area where the clavicle attaches. |
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Costal notches
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Costal notches - 7 small depressions (or facets) located
on the lateral edges of the sternum; areas where the ribs attach to the sternum via their costal cartilages |
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Manubrium
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Upper part of the sternum.
It articulates with the clavicles and the first two ribs. (superior bone) |
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Xiphoid process
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Lower part of the sternum (inferior bone)
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Clavicle Notch
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A depression located on the lateral side of the superior
border of the manubrium; area where the clavicle attaches. |
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Jugular notch
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a concavity found between the two clavicular notches.
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Sternal angle
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A slight, anterior protrusion formed by the junction of the manubrium and the body.
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True Ribs
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Ribs 1-7) Attach to the sternum via the narrow band of costal (hyaline) artilage.
The flexible cartilage makes the breathing process easier. |
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False Ribs
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(ribs 8-10) Attach tot he costal cartillage of rib 7, not directly to the sternum.
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Floating Ribs
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(ribs 11-12) have no anterior attachment.
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Angle
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The area of shaft with the greatest curavture.
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Body or shaft
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the long, curved portion of the bone.
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Costal groove
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A narrow elongated depression that runs along the inferior surface of the bone; where the
costal blood vessels run. |
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Head
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The medioposterior end of the bone; area of articulation with the facets and demifacets of the
thoracic vertebrae. |
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Superior articular facet
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Small depression on the head; area of articulation witht he inferior costal
or demi facet on the vertebra above. |
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Inferior articular facet
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Small depression on the head; area of articulation with the superior costal (demi-)
facet on the vertebra below. |
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Neck
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Area between the head and tubercle.
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Tubercle
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A small elevation found posterior and lateral to the head; area of articulation with the transverse process of the vertebra.
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Sternal end
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The region of the rib that attaches to the costal cartilage.
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