Lungs and Bronchial Tree Flashcards
What is the costodiaphragmatic recess?
Space where the costal and diaphragmatic pleura meet
What is the costomediastinal recess?
Space where the mediastinal and costal pleura meet allowing for expansion of lungs during inspiration
What creates tubular passages for Airways veins arteries lymphatics and nerves to pass through? Also the transition between visceral and parietal pleura at root of the lung.
Pulmonary ligament
Where is the cardiac notch?
Costal cartilage 4
Describe the oblique fissure.
- separates the inferior and superior lobes of right lung
- Begins at base of scapular spine
- ends at 6th costochondral jxn
Describe the horizontal fissure.
Separates superior and middle lobes
begins at axillary line
Follows rib four
What supplies the lobes of the lungs?
Secondary bronchii
What supplies the lobules (bronchopulmonary segments)?
Tertiary bronchii
Describe the tracheal cartilage.
C shaped cartilage facing posteriorly, allowing for expansion of the esophagus.
A 2 year old patient comes into the ER as he aspirated an object, which bronchus did this object most likely go down?
The right because the right primary bronchi is shorter straight and larger than the left
What is the angle between primary bronchii?
62 degrees
What do the secondary bronchii supply?
Lobes of lungs
Where is the first site of gas exchange?
Respiratory bronchioles
What kind of blood is carried by the pulmonary arteries?
Deoxygenated
