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Thorax
n/a
50
Anatomy
Undergraduate 3
09/12/2008

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Cards

Term
What is the mediastinum
Definition
the area or space located in the thoracic cavity
Term
What are the anterior, posterior, inferior, lateral and superior boundaries of the mediastinum?
Definition
sternum, vertebral column, diaphragm, medial border or boundaries of the lungs, no superior boundary
Term
What are the four lesser spaces of the mediastinum
Definition
superior, anterior, posterior, and middle
Term
Which of the four lesser spaces of the mediastinum does the heart occupy
Definition
The middle
Term
What is the thoracic cavity
Definition
anything deep to the thoracic wall and diaphragm
Term
What are the three spaces in the thoracic cavity
Definition
mediastinum, right pleural cavity, left pleural cavity
Term
What are the right and left pleural cavities
Definition
the space between the visceral and parietal pleura
Term
What is the visceral pleura and what does it surround
Definition
a serous epithelial membrane that lines the lungs
Term
What is the parietal pleura and what does it line
Definition
a serous epithelial membrane that lines the internal aspect of the thoracic wall and the superior aspect of the diaphragm
Term
What is the space between two pleura called
Definition
the thorax cavity
Term
T/F: the diaphragmatic pleura is a visceral pleura
Definition
false, it is a parietal pleura
Term
A pleural cavity is the...
Definition
space between the two lungs
Term
Does the costal pleura go all the way accross the top of the chest?
Definition
no, it goes to bidline and attaches to the pericardial sac so there are two separate pleural cavities
Term
What does Cupola pleura line?
Definition
the top of the lungs
Term
T/F: Parietal pleura is continuous with itself and visceral pleura at the root of the lung
Definition
true
Term
T/F: The serous membrane is continuous with itself
Definition
true
Term
T/F: The serous membrane contains fluid
Definition
true, the fluid acts as a lubricant produce a minimized frictionless system
Term
Where are the lungs located
Definition
in the thoracic cavity
Term
What is the function of the lungs
Definition
exchange CO2 and O2, it is the primary respiratory organ
Term
What attaches the lung to the trachea
Definition
the right and left thrombus
Term
Otherwise free hanging, what are the lungs attached to?
Definition
bronchus by trachea and pulmonary ligaments
Term
Where do structures enter and exit the lung?
Definition
right and left roots
Term
what is always associated with the right and left roots of the lungs
Definition
bronchus, 2 pulmonary veins, variety of lymphatic vessels, and lymph nodes
Term
T/F: the left lung has 2 pulmonary arteries and the right has 1
Definition
false, it is reversed
Term
T/F: The right lung has one bronchial artery and the left lung has two
Definition
true
Term
T/F: the bronchial arteries are branches of the aorta and take arterial blood to the lungs
Definition
true
Term
What is the function of the pulmonary artery in respiration
Definition
absolutely nothing, the bronchial artery takes arterial blood to lungs
Term
T/F: The left lung is larger than the right
Definition
false
Term
The right lung has __ lobes
Definition
3
Term
What two fissures separate the upper, middle, and lower lobes of the right lung?
Definition
the horizontal fissure and the oblique fissure
Term
How far does the apex of the lung extend
Definition
into the neck
Term
How many pulmonary arteries does the right lung have?
Definition
two
Term
How many pulmonary arteries does the left lung have
Definition
one
Term
How many bronchial arteries does the left lung have
Definition
two
Term
How many bronchial arteries does the right lung have
Definition
1
Term
Why is the right lung bigger than the left?
Definition
because the heart displaces to the left into the left lung
Term
THe right lung has __ lobes
Definition
3
Term
What are the names of the lobes of the right lung
Definition
superior, middle, and inferior
Term
What separates the lobes of the lung
Definition
fissures
Term
What are the fissures separating the superior/middle and the middle/inferior respectively?
Definition
horizontal fissure and oblique fissure
Term
In the right lung there are ___ bronchopulmonary segments
Definition
ten
Term
How many bronchopulmonary segments are in the superior lobe, middle lobe, and inferior lobe respectively
Definition
3,2,5
Term
How many lobes does the left lung have
Definition
2
Term
What is the name of the fissure separating the superior and inferior lobes of the left lung
Definition
oblique fissure
Term
The left lung has __ bronchopulmonary segments
Definition
9
Term
How many bronchopulmonary segments are in the upper lobe of the left lung? the lower lobe?
Definition
4, 5
Term
Arterial blood supply is from the _____ arteries
Definition
bronchial
Term
venous blood ends up in ____ veins
Definition
bronchial
Term
The right bronchi plexus is a tributary of the _______ vein
Definition
azygous
Term
the left bronchi plexus is a tributary and accessory of the ____ vein
Definition
hemiazygous
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