Serous Membranes Flashcards
Serous membrane
A double layer membrane, 1 large layer that’s folded over and a lubricating fluid between the 2 layers
Parietal serosa
Lines the wall cavity
Visceral serosa
Covers outer surface of the organs
Functions of serous fluid
Protection, decrease friction between 2 cavities, generates surface tension which pulls visceral and parietal pleura adjacent to each other
Serous Pericardium
Inner layer of pericardium and made of two layers; produces pericardial fluid to lubricate heart
Parietal pericardium
Lines inside of connective tissue sac around heart
Visceral Pericardium
Innermost layer of pericardium that directly covers heart and roots of great vessels (epicardium)
Fibrous pericardium
Tough outermost layer that prevents heart from expanding too much;
Serous pleura
Made of 2 layers around the lungs
Parietal pleura
Outer layer; attaches to chest wall and lines walls of thorax around the lungs
Visceral pleura
Inner layer that covers lung surface, blood vessels, nerves, and bronchi
Serous peritoneum
Surrounds abdominal cavity; largest serous membrane in body; made of 2 layers
Parietal peritoneum
Lines wall of abdominopelvic cavity; folds back to form visceral layer
Visceral peritoneum
Covers anterior surface of organs in abdominopelvic cavity