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33 terms

Thoracic Cage

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sternum, ribs, costal cartilages, thoracic vertebrae
What is the thoracic cage made up of?
protect heart and lungs, support clavicle and scapula, hemopoiesis
What is the function of the thoracic cage?
RBC, WBC, and platelet formation
What is hemopoiesis?
ribs, sternum, centra of vertebrae
Where is red bone marrow found in the thoracic cage?
manubrium
What is the upper part of the sternum?
clavicle, first pair of ribs
What does the manubrium articulate with?
manubrium, sternal angle of louis, gladiolus, xiphoid process
What is the sternum made up of?
between manubrium and gladiolus
Where is the sternal angle of louis found?
second pair of ribs
What does the sternal angle of louis articulate with?
gladiolus
What is the largest component of the sternum?
third through tenth pairs of ribs
What does the gladiolus articulate with?
xiphoid process
What is the lower part of the sternum?
hyaline cartilage
What tissue does xiphoid process start as?
bone
What tissue does xiphoid process end as?
abdominal muscles
What muscles attach at the xiphoid process?
analyze for blood disorders
What are bone marrow samples used for?
sternum
What bone is often used for procurement of red bone marrow samples?
sternal puncture
What is the procurement of red bone marrow in the sternum called?
head, neck, angle, body, intercostal spaces
What are the components of ribs?
12
How many pairs of ribs are there?
centrum of thoracic vertebrae
What does the head of ribs articulate with?
tubercle with facet
What is found on the neck of the ribs?
transverse process of T1-T10 vertebrae
What vertebrae does the neck of ribs articulate with?
costal groove
Where are the intercostal nerves and intercostal blood vessels found on ribs?
intercostal nerves, intercostal blood vessels
What is found in the costal groove of ribs?
1-7
Which pairs of ribs are true ribs?
sternum
What are the true ribs attached to?
8-12
Which pairs of ribs are false ribs?
8-10
Which pairs of ribs are vertebrochondral ribs?
11-12
Which pairs of ribs are vertebral or floating ribs?
do not attach to sternum at all
Why are the 11-12 pairs of ribs called vertebral or floating ribs?
between ribs
Where are intercostal spaces?
breathing movements
What do intercostal spaces function in?