Body Cavities and Membranes
Visceral Pleura - Image
#1
Parietal Pleura - Image
#2
Peritoneal Cavity - Image
Blue area
Visceral Peritoneum - Image
Blue arrow
Cranial Cavity
Enclosed cavity formed by the cranium and it houses the brain
Vertebral Canal
Enclosed cavity formed by the individual bones of the vertebral column and contains the spinal cord
Serous Fluid
Has a consistency of oil, and serves as a lubricant; reduces friction caused by the rubbing of organs and the body wall; and it is secreted within the serous cavity in serous membranes
Pericardium - Image
Including the entire membrane
Abdominopelvic Cavity
Inferior partition of the ventral cavity; which is lined by the peritoneum; cavity is further divided into the superior abdominal cavity, and inferior pelvic cavity
Visceral Peritoneum
Inner layer of the peritoneum, which ensheathes the external surfaces of most of the digestive organs
Visceral Pleura
Inner layer of the serous membrane, which covers the external surface of the lung
Visceral Pericardium
Inner layer that forms the heart's external surface
Pericardial Cavity - Image
Letter E
Mediastinum - Image
Letter I
Mediastinum
Median space in the thoracic cavity, which contains the heart, thymus, esophagus, trachea, and major blood vessels
Serous Membranes
Membranes that are composed of two distinct layers: a parietal layer and a visceral layer; and a thin cavity that holds fluid
Peritoneum
Moist, two-layered serous membrane that lines the abdominopelvic cavity
Diaphragm
Muscular partition that develops between the thoracic and abdominopelvic cavities, which is responsible for aiding in respiration
Pleural Cavity
Narrow, moist, potential space between the parietal and visceral pleura layers; location of the serous fluid
Pelvic Cavity
One of the cavities within the abdominopelvic cavity, which is inferior to the imaginary line; consists of the distal part of the large intestine, urinary bladder and urethra, and the internal reproductive organs
Abdominal Cavity
One of the cavities within the abdominopelvic cavity, which is superior to the imaginary line drawn between the superior aspects of the hip bones; contains most of the organs of the digestive system, and the kidneys and ureters
Parietal Layer
One of the distinct layers of serous membranes, which lines the internal surface of the body wall
Visceral Layer
One of the distinct layers of the serous membranes, which covers the external surface of the viscera within the cavity
Posterior Aspect
One of the subdivisions of the axial region, which has two enclosed cavities: cranial cavity and vertebral canal
Viscera
Organs
Parietal Peritoneum
Outer layer of the peritoneum, which lines the internal walls of the abdominoplevic cavity
Parietal Pleura
Outer layer of the serous membrane that lines the internal surface of the thoracic wall
Parietal Pericardium - Image
Outer red line
Parietal Pericardium
Outermost layer of the pericardium, which forms a sac around the heart
Serous Cavity
Part of the serous membranes, which is a potential space between the parietal and visceral layers of the membrane; holds serous fluid
Pericardial Cavity
Potential space between the parietal and visceral pericardia, which contains serous fluid
Peritoneal Cavity
Potential space between the parietal and visceral peritoneum, which is where the serous fluid is located
Abdominal Cavity - Image
Red arrow
Pelvic Cavity - Image
Red arrow
Thoracic Cavity
Superior partition of the ventral cavity, which is further divided into the mediastinum; pericardial cavity, and the pleural cavity
Ventral Cavity
The other subdivision of the axial region, which arises from a space called the coelem that forms during embryonic development; includes the thoracic cavity, and the abdominopelvic cavity
Lateral Aspects of Thoracic Cavity
These areas house the lungs, which are lined by the pleura
Pericardium
Two-layered serous membrane that encloses the heart
Pleura
Two-layered serous membrane that lines the lungs within the thoracic cavity
Parietal Peritoneum - Image
Yellow arrow
Peritoneum - Image
Yellow arrow
