Lungs

Question 1

Lobes and fissures of left and right lungs?

Answer 1

Right lung
3 lobes:
Superior
Middle
Inferior

3 lobar bronchi
2 fissures;

Horizontal
Separates superior and middle

Oblique
Separates middle and inferior

Left lung
2 lobes:
Superior and inferior
2 lobar bronchi
1 fissure;

Oblique fissure
Separates superior and inferior lobes

Question 2

How many parts of pleura?

Answer 2

visceral pleura
Lines the lungs

Pleural cavity containing pleural fluid in between

Parietal pleura
Lines thoracic wall

Question 3

What is thoracic inlet and thoracic outlet?

Answer 3

The thoracic inlet/ superior thoracic aperture is the upper opening of the thoracic cavity, where the neck and upper limbs connect to the body. (Between neck and chest)
It’s like the doorway to the chest area.

Boundaries are : 1st thoracic vertebrae and 1st pair of ribs

Question 4

What is thoracic oultlet?

Answer 4

lower opening of thoracic cavity.
(Between chest and abdomen)

Boundaries;
12th thoracic vertebrae and 12th pair of ribs

Question 5

What is thoracic outlet syndrome?

Answer 5

Thoracic outlet syndrome is a condition that occurs when there is compression of the nerves or blood vessels in the thoracic outlet, which is the space between the collarbone and the first rib.

Brachial plexus of nerves C5,6,7,8 and T1 and subclavian artery and vein

This can cause symptoms such as pain, numbness, and weakness in the arm and hand.