Pleural Liquid Turnover

Front 1

what type of cells cover the parietal and visceral pleura

Back 1

mesothelial cells

Front 2

what is unique structural features found in the parietal pleura

Back 2

lymphatic stomata

Front 3

relationship between vasculature and parietal pleura

Back 3

systemic vasculature is closer to pareital pleura than to visceral pleura
therefore, systemic pressures play more of a role in formation and removal of pleural fluid

Front 4

most convenient blood supply to visceral pleura
implication of this

Back 4

microvasculature that drains to pulmonary veins
since pressures are lower in pulmonary vasculature than in systemic bv, there is decreased flow of pleural liquid from the visceral pleura

Front 5

where do bronchial microvessels drain into

Back 5

into pulmonary veins

Front 6

what consequence can the drainage pattern of bronchial microvessels have on pleural fluid formation

Back 6

when pulmonary htn is present, this causes increased flow/production of pleural fluid

Front 7

path of the bronchial artery

Back 7

originates off of the aorta
drains into the pulmonary vein

Front 8

3 ways that pleural fluid formation can increase

Back 8

hydrostatic pressure (BV - pleural) - oncotic pressure (BV - pleural)

increased venous pressure, decreased pleural pressure (eg atelectasis), and decreased oncotic pressure in vasculature (nephrotic syndrome, cirrhosis, etc)

Front 9

how does pleural fluid exit

Back 9

likely through lymphatic stoma, and exits via bulk flow (so liquid and protein are removed together)