All cards
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Defining thorax
from base of neck (thoracic inlet) to diaphragm muscle
protects heart and lungs
site for attachment of muscles for upper limb, back, respiration
protects heart and lungs
site for attachment of muscles for upper limb, back, respiration
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Defining Abdomen
from diphragm muscle to pelvic inlet
contains major viscera of digestive system
No bony structure; musculature holds viscera in place
contains major viscera of digestive system
No bony structure; musculature holds viscera in place
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superior thoracic border
thoracic inlet or superior thoracic aperture
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thoracic inlet
kidney shaped opening formed by T1 vertebra
1st pair of ribs and superior
margin of manubrium
1st pair of ribs and superior
margin of manubrium
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thoracic inlet incudes
apex of lungs
common carotid artery
internal jugular vein
subclavian artery and vein
esophagus and trachea
brachial plexus
common carotid artery
internal jugular vein
subclavian artery and vein
esophagus and trachea
brachial plexus
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inferior thoracic border
wide opening formed by T12 vertebra, 12th pair ribs, & costal arch
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anterior thoracic border
sternum, ribs and costal cartilages
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posterior thoracic border
thoracic vertebrae and ribs
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3 major spaces of the thorax
right pulmonary cavity
mediastinum
left pulmonary cavity
mediastinum
left pulmonary cavity
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Mediastinum
region of the thoracic cavity between the pulmonary cavities
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# of thoracic vertebrae
12
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true ribs attach to the
sternum
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false ribs attach to the
cartilage
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floating ribs have
no anterior attachment
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the head of the ribs has ______ ______ separated by the ____ of the head
two facets
crest
crest
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the neck of the ribs parts
narrows after the head
contains the tubercle
facet that articulates to the transverse process of the vertebra
contains the tubercle
facet that articulates to the transverse process of the vertebra
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Body of the rib parst
costal angle
costal groove
costal groove
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costal angle
sharpest curve of the rib and site of attachment for iliocostalis
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costal groove
where the spinal nerve and vessels passes
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between the ribs are ________ _____ named for the _______ ______
intercostal spaces
superior rib
superior rib
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inside the intercostal spaces are
2 nerves and sets of blood vessels
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what is found in the costal groove of the superior rib
main intercostal nerve, artery, and vein
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_______ _______ are found just above the inferior rib
collateral branches
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space below the 12th rib is the
subcostal space
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thoracic wall is covered by
muscles that belong to upper limb or vertebral column
Includes: pectoral muscles, serratus anterior, trapezius, latissimus dorsi, erector spinae
Includes: pectoral muscles, serratus anterior, trapezius, latissimus dorsi, erector spinae
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thoracic muscles concerned exclusively with respiration
diaphragm
intercostals
serratus posterior
levator costarum
intercostals
serratus posterior
levator costarum
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any muscle with attachment to ribs has potential to
assist respiration
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3 intercostals
external
internal
innermost
internal
innermost
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external intercostal
oblique with inferior edge medial
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internal intercostal
oblique with inferior edge lateral
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innermost intercostal
superior/inferior
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most thoracic and abdominal organs are surrounded by
a serous membrane
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a serous membrane is
double sided
fluid filled
fluid filled
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serous membrane may have a _____ ______
fibrous membrane superficial to the serous membrane
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fibrous pericardium prevents
overfilling of the heart
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fibrous pericardium is attached
superiorly to the large vessels exiting the heart
inferiory to the diaphragm
inferiory to the diaphragm
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the esophagus is a long stretchy tube through which food moves by
peristalsis
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the esophagus passes through ______ ______ and ends at
diaphragm hiatus
gastro-esophageal sphincter
gastro-esophageal sphincter