3 Serous Membranes

Question: three serous membranes of the body

Answer: Pleura, pericardium, peritoneum

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Question: Pleura:

Answer: serous membrane lining thoracic cavity and covering lungs

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Question: Visceral Pleura (of the Pleura):

Answer: inner membrane attached to lungs

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Question: Parietal Pleura (of the Pleura):

Answer: outer membrane lining thoracic cavity

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Question: Pleural Cavity (of the Pleura):

Answer: space filled with serous fluid

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Question: Pericardium:

Answer: serous membrane lining pericardial cavity and covering heart

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Question: Fibrous pericardium (of the Pericardium):

Answer: superficial, irregular CT, Prevents overstretching of heart, provides protection, anchors heart to mediastinum

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Question: Serous pericardium (of the Pericardium):

Answer: deeper, forms double layer around heart

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Question: Parietal layer (of the Pericardium):

Answer: fused to fibrous pericardium

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Question: Visceral layer (of the Pericardium):

Answer: attaches to heart, Called epicardium when combined with areolar or adipose CT

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Question: Pericardial fluid (of the Pericardium):

Answer: reduces friction between layers

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Question: Pericardial cavity (of the Pericardium):

Answer: contains pericardial fluid; between visceral and parietal serous pericardium

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Question: (Important) Peritoneum:

Answer: lines abdominal cavity and covers abdominal organs Largest serous membrane in body

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Question: Parietal peritoneum (of the Peritoneum):

Answer: lines wall of abdominal cavity

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Question: Visceral peritoneum (of the Peritoneum):

Answer: attaches to organs in cavity

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Question: Peritoneal cavity (of the Peritoneum):

Answer: filled with serous fluid

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Question: Mesentery (of the Peritoneum):

Answer: binds jejunum and ileum to posterior wall

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Question: Falciform ligament (of the Peritoneum):

Answer: attaches liver to anterior abdominal wall and diaphragm

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Question: Lesser omentum (of the Peritoneum):

Answer: connects stomach & duodenum from liver

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Question: Mesocolon (of the Peritoneum):

Answer: binds transverse colon and sigmoid colon to posterior abdominal wall

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Question: Greater omentum (of the Peritoneum):

Answer: simple squamous + adipose CT that drape over transverse colon and small intestine

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