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Gross Anatomy Unit 8
Lungs and the posterior mediastinum
49
Health Care
Undergraduate 4
06/02/2009

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Cards

Term
The trachea runs from C6 to T5
Definition
At what vertebral levels does the trachea begin and end?
Term
The cricoid cartilage
Definition
To what structure does the trachea attach at the level of C6?
Term
The carina
Definition
What is the name of the last cartilage of the trachea?
Term
T5
Definition
At what vertebral level does the right primary bronchus enter the lung?
Term
T6
Definition
At what vertebral level does the left primary bronchus enter the lung?
Term
The primary bronchi
Definition
What are the most posterior structures in the hilum of the lung?
Term
The left
Definition
Which primary bronchus is longer... the left or the right?
Term
The right
Definition
Which primary bronchus is wider... the left or the right?
Term
The right
Definition
Which primary bronchus is more vertical... the left or the right?
Term
Three: the superior, middle, and inferior
Definition
How many secondary (lobar) bronchi exist in the right lung?
Term
Two: the superior and inferior
Definition
How many secondary bronchi exist in the left lung?
Term
The lobar bronchi
Definition
What is another name for the secondary bronchi?
Term
Ten
Definition
How many tertiary bronchi exist on each side of the lung?
Term
The segmental bronchi
Definition
What is another name for the tertiary bronchi?
Term
The lung parenchyma
Definition
What is the name of the expandable, sponge-like tissue where respiration takes place in the lung?
Term
The hilum
Definition
Where is the root of the lung located?
Term
The hilum
Definition
The pulmonary ligament is an extension of what structure?
Term
The oblique fissure and the horizontal fissure
Definition
What are the names of the two fissures of the right lung?
Term
The oblique fissure
Definition
What is the name of the fissure in the left lung?
Term
The 6th rib
Definition
The oblique fissure generally follows which rib?
Term
The bronchopulmonary segments
Definition
What is the name of the functional unit of the lung?
Hint: These are divisions that accompany segmental bronchi and arteries
Term
Ten
Definition
How many bronchopulmonary segments exist in each lung?
Term
The pulmonary arteries
Definition
What is the name of the major sources of circulating blood through the lungs?
Term
The bronchial arteries
Note: These are NOT the same as brachial arteries!!!
Definition
What are the names of the small vessels that supply the tissues surrounding the larger bronchi?
Term
Two per lung (a total of four in a normal human body)
Definition
How many pulmonary veins drain each lung?
Term
1. Directly into the left atrium
2. The pulmonary veins
3. The intercostal veins
4. The azygos veins
Definition
Where are the four places the small bronchial veins empty?
Term
They filter the interstitial fluid of the lungs
Definition
What is the function of the lymphatic system in the lungs?
Term
The superficial plexus and the deep plexus
Definition
What are the two main lymphatic groups in the lungs?
Term
The superficial plexus
Definition
Which lymphatic plexus lies just beneath the visceral pleura?
Term
The deep plexus
Definition
Which lymphatic plexus follows the air conducting system within the lung parenchyma?
Term
1. Pulmonary nodes
2. Bronchopulmonary nodes
3. Tracheobronchial nodes
4. Tracheal (paratracheal) nodes
Definition
What are the four lymph nodes that filter the lung lymph sequentially?
Term
The esophagus runs from C6 to T11
Definition
At what vertebral levels does the esophagus begin and end?
Term
T10
Definition
At what vertebral levels does the esophagus pass through the diaphragm?
Term
1. Inferior thyroid arteries
2. Bronchial, esophageal, and mediastinal arteries
3. Left gastric artery
Definition
What are the three major blood supply sources of the esophagus?
Term
-Preganglionic parasympathetic fibers from the vagus nerve
-Postganglionic sympathetic fibers from the sympathetic trunk
Definition
What nerves supply the esophagus?
Term
It lies in the midline
Definition
Relative to the spinal column, where does the thoracic aorta lie at the T12 level?
Term
The azygous system of veins
Definition
What is the name of the asymmetrical system of veins that drain the posterior and lateral thoracic wall and the upper posterior abdominal wall?
Term
The right
Definition
On what side of the body does the azygous vein proper lie?
Term
The right ascending lumbar vein and the right subcostal vein
Definition
The azygous vein proper is the continuation of what two veins?
Term
The left
Definition
On what side of the body do the hemiazygous and the accessory hemiazygous veins lie?
Term
The left ascending lumbar vein and the left subcostal vein
Definition
The hemiazygous vein is the continuation of what two veins?
Term
The T8 level
Definition
At what vertebral level does the accessory hemiazygous vein empty into the azygous vein?
Term
The brachiocephalic veins
Definition
Into what major vein does the first intercostal vein drain?
Term
The left brachiocephalic vein
Definition
Into what major vein does the left superior intercostal vein drain?
Term
C3, C4, and C5
Definition
From what spinal nerves do the phrenic nerves arise?
Term
Anteriorly
Definition
Does the left phrenic nerve pass anteriorly or posteriorly to the aortic arch?
Term
Anteriorly
Definition
Do the phrenic nerves pass anteriorly or posteriorly to the roots of the lungs?
Term
The thoracic duct
Definition
What is the name of the major lymphatic channel that drains all parts of the body except the right upper extremity and the right side of the head and neck?
Term
In the left brachiocephalic vein near its beginning
Definition
Where does the thoracic duct terminate?
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