THORAX ABDOMEN AND PELVIS

MEDICAL

PLEURA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is the largest pleural sinus?
A
costodiaphragmatic recess/ phrenicocostal sinus
B
sinus costomediostinalis
C
phrenicomediastinal sinus
D
cupula pleurae
Explanation: 

Detailed explanation-1: -There are two pleural recesses. The costodiaphragmatic recesses (also called costophrenic angles) are the larger of the recesses located between the costal and diaphragmatic pleura of right and left pleural cavities.

Detailed explanation-2: -Pleural Recesses Located posteriorly and anteriorly are spaces where the pleural cavity is not totally filled by the lung parenchyma. This space is known as the recess-an area where the adjacent surfaces of the parietal pleura come into contact.

Detailed explanation-3: -The costophrenic angles are formed by the points at which the chest wall and diaphragm meet. The costophrenic recesses contain the lower edges of the lungs which contact the diaphragm.

There is 1 question to complete.