Term
What is the fucntion of the thoracic inlet? |
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Definition
Allows communication with structures in the neck |
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Term
What is the function of the thoracic outlet? |
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Definition
Allows communication with abdominal structures, mostly closed by diaphragm |
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Term
How many vertebrae in the thoracic skeleton? |
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Definition
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Term
How many pairs of ribs are there in the thoracic skeleton? |
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Definition
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Term
What does the manubrium articulate with? |
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Definition
Clavicle, body of sternum, 1st rib, 1/2 of the 2nd Rib |
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Term
What part of the thoracic skeleton is a common site for bone marrow biopsy? |
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Definition
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Term
What vertebrae does the sternal angle go through? |
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Definition
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Term
The superior angle is the superior marker of what structure(s)? |
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Definition
Pericardium, Pulmonary trunk |
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Term
What marks the level of the beginning and end of the aorta arch? |
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Definition
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Term
At what level does the trachea bifurcate into left and right bronchi? |
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Definition
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Term
The sternal angle marks what on the sternum? |
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Definition
Site of articulation with 2nd rib |
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Term
The xiphoid process marks thes superior boarder of what? |
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Definition
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Term
The central tendon of the diaphragm is level with what structure? |
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Definition
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Term
The xiphoid process should be level with which vertebrae? |
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Definition
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Term
The intercostal artery and vein travel within which structure? |
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Definition
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Term
Which ribs are true ribs? |
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Definition
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Term
Which ribs are false ribs? |
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Definition
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Term
Which ribs are floating ribs? |
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Definition
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Term
What is characteristic of true ribs? |
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Definition
Costal cartilage articulates directly with sternum |
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Term
What is characteristic of false ribs? |
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Definition
Attaches to sternum indirectly via the costal cartilage of the rib above |
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Term
What is characteristic of floating ribs? |
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Definition
Does not connect with the sternum |
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Term
Which rib is the broadest and the shortest and features a scalene tubercle? |
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Definition
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Term
What is the function of the scalene tubercle? |
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Definition
Insertion of the anterior scalene muscle |
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Term
Where is the tubercle for serratus anterior located? |
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Definition
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Term
Which ribs have 2 vertebral articular facets? |
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Definition
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Term
Which ribs are present in only 1% of the population? |
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Definition
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Term
Compression or stretching of the inferior trunk of the brachial plexus or the subclavian artery/vein may cause what? |
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Definition
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Term
What structures may be related to thoracic outlet syndrome? |
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Definition
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Term
The 2 demifacets on thoracic vertebrae articulate with what structures? |
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Definition
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Term
The tubercle of the ribs articulates with what structure? |
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Definition
Transverse costal facet on thoracic vertebrae |
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Term
Which vertebrae(s) contains a costal facet instead of a demifacet? |
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Definition
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Term
Which thoracic vertebrae lack transverse costal facets? |
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Definition
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Term
A rib articulating with the superior demifacet of the vertebrae of the same number and the inferior demifacet of the vertebrae above it forms what joint? |
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Definition
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Term
The tubercle of a rib articulating with the transverse process of the same numbered vertebra forms what joint? |
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Definition
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Term
Which is the only rib with a fibrocartilaginous joint known as a sychondrosis? |
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Definition
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Term
Ribs 7-10 articulate with the cartilage above and are known as |
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Definition
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Term
Inflammation of the costochondral or sternocostal joints that is a common source of chest pain is known as what? |
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Definition
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Term
Costochondritis may be mistaken for what? |
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Definition
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Term
Intercostal spaces are numbered according to which rib? |
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Definition
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Term
What is the orientation of external intercostal fibers? |
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Definition
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Term
What is the orientation of internal intercostal fibers |
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Definition
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Term
What innervates the 3 layers of interocstal muscles? |
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Definition
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Term
What are the contents of the intercostal space, superiorly to inferiorly? |
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Definition
VAN = posterior intervostal Vein/Artery, intercostal Nerve |
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Term
What is the source of the Anterior Intercostal Artery |
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Definition
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Term
VAN, the contents of the intercostal space, lies between what? |
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Definition
Internal and Innermost Intercostal Muscles |
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Term
What contained in the intercostal space is often not protected by the costal groove? |
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Definition
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Term
Which rami supply the intercostal nerves? |
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Definition
Anterior Rami of Thoracic Spinal Nerve |
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Term
What condition may involve intercostal nerves leading to red vesicles in the dermatome supplied by the involved nerve? |
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Definition
Herpes zoster (aka Shingles) |
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Term
Posterior Intercostal arteries 3-11 and Subcostal Arteries are supplied by what? |
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Definition
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Term
The internal thoracic and supreme intercostal arteries are supplied by what? |
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Definition
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Term
The axillary artieries are supplied by what? |
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Definition
Superior and Lateral Thoracic Arteries |
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Term
What structures travel alongside the posterior intercostal arteries? |
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Definition
Posterior Rami of Spinal Nerves and Lateral Cutaneous Branches of the Intercostal Nerves |
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Term
The Anterior Intercostal Arteries of 1-6 arise from what? |
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Definition
Internal Thoracic Arteries |
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Term
The muscolophrenic arteries supply what? |
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Definition
Anterior Intercostal Arteries 7-9 |
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Term
Which intercostal spaces lack anterior intercostal arteries? |
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Definition
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Term
Which intercostal arteries/veins anastomose? |
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Definition
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Term
The Internal Thoracic Arteries arise from the root of the neck of the inferior surface of what? |
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Definition
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Term
When do the internal thoracic arteries terminate? |
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Definition
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Term
What do the internal thoracic arteries divide into? |
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Definition
Superior epigastric and Muscolophrenic arteries |
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Term
What do the posterior intercostal veins drain into? |
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Definition
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Term
What do the anterior intercostal veins drain into? |
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Definition
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Term
What separates the breast from the deep fascia? |
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Definition
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Term
What other space other than the chest does the breast usually extend into? |
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Definition
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Term
Name the blood supply of the breast |
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Definition
Internal thoracic, lateral thoracic, and posterior intercostal arteries |
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Term
Where might cancer cells be carried to by tributaries of the posterior intercostal veins? |
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Definition
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Term
60-75% of lymph from the breast drains into what? |
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Definition
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Term
What ranks as the 2nd most common cause of cancer deaths among women? |
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Definition
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Term
What are risk factors for breast cancer? |
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Definition
Increased age, family history, long menstrual cycle, late menopause, obesity, oral contraceptive use, alcohol abuse |
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Term
How often should a self breast exam be performed? |
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Definition
Monthly, avoiding menstrual period |
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Term
Which disease has an increased prevalence of gynecomastia? |
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Definition
Klinefelter Syndrome (XXY Trisomy) |
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