Regions of Plura

Question 1

Mesothelium

Answer 1

Mesothelium (simple squamous epithelium) which lines the inner wall of the thoracic cavity (parietal pleura) and the outer surface of the lung (visceral pleura)
Between the two is the pleural cavity

Question 2

Pleura is a

Answer 2

Pleura is a serous membrane - cells secrete a serous fluid which acts as a lubricant so the two layers can slide against one another

Question 3

a. Parietal pleura

Answer 3

Costal, Diaphragmatic, Cervical, Mediastinal pleura

Question 4

i. Costal pleura

Answer 4

part of the pleura that lines the inner surface of the rib cage

Question 5

ii. Diaphragmatic pleura

Answer 5

ii. Diaphragmatic pleura

Question 6

iii. Cervical pleura:

Answer 6

covers upper part of thoracic cavity; dome shape; just above the apex of the lung

Question 7

iv. Mediastinal pleura

Answer 7

anything between the two lungs; covers midline structures

Question 8

b. Visceral pleura

Answer 8

covers the surface of the lungs and lines the fissures of the lungs

Question 9

c. Pleural reflections

Answer 9

where pleura reflects from one surface onto another
i. Costamediastinal, costodiphragmatic, pulmonary ligament

Question 10

d. Recesses:

Answer 10

costadiaphragmatic, costomediastinal
i. **lung moves into these recesses only during DEEP inspiration