Pleural Cavity and Lungs

Question 1

What type of joint is present between the ribs and their cartilage?

Answer 1

Synchondroses

Question 2

Intercostal bundle

Answer 2

Intercostal vein, artery, and nerve
Runs between the internal and innermost intercostal muscles
The nerves all come from the spinal nerves
The arteries and veins comes from either the the thoracic aorta posteriorly or the internal thoracic artery, and then meet in the middle

Question 3

Pleura

Answer 3

Serous membrane
Covers the walls of the thoracic cavity and lungs
Parietal and visceral pleura

Question 4

4 parts of the parietal pleura

Answer 4

Cervical (cupola)
Costal
Diaphragmatic
Mediastinal

Question 5

Which lung is larger?

Answer 5

The right lung

Because the heart occupies more space in the thorax on the left side

Question 6

What lobes and fissures are present on each lung?

Answer 6

Left lung: superior and inferior lobe separated by an oblique fissue
Right lung: superior lobe –> horizontal fissure –> middle lobe –> oblique fissure –> inferior lobe

Question 7

Hilum

Answer 7

Area on the medial aspect of the lung where the root enters or leaves

Question 8

What is the difference between the two bronchi?

Answer 8

Right bronchi is bigger in diameter, shorter and more vertical

Question 9

3 major openings in the diaphragm, from anterior to posterior

Answer 9

Inferior vena cava
Esophagus
Aorta