Body cavities and membranes

Cranial cavity

Contains the brain

Vertebral cavity

Contains the spinal cord

Thoracic cavity

Contains the heart and the lungs

Mediastinum

Median compartment of the thoracic cavity

Pleural cavity

Fluid filled space around the lungs

Pericardial cavity

Fluid-filled space around the heart

Abdominopelvic cavity

Consists of the abdominal and pelvic cavities

Abdominal cavity

Contains the digestive organs, kidneys, and ureters

Pelvic cavity

Contains the urinary bladder, internal reproductive organs, and the rectum

Parietal pericardium

Outermost layer of the serous membrane around the heart

Visceral pericardium

Innermost layer of the serous membrane around the heart

Pericardial cavity

Narrow, fluid filled space between the parietal and visceral layers

Parietal pleura

Outermost layer of the serous membrane around the lungs

Visceral pleura

Innermost layer of the serous membrane around the lungs

Pleural cavity

Nero, fluid filled space between the parietal and visceral layers

Parietal peritoneum

Outermost layer of the serous membrane that lines the abdominopelvic cavity

Visceral peritoneum

Innermost layer of the serous membrane that lines most digestive organs

Peritoneal cavity

Narrow, fluid filled space between the parietal and visceral layers