BIOL 2320 Body Cavities

What are body cavities outlined by?

Bone

Muscle

What is the Dorsal body cavity made up of?

Cranial cavity

Vertebral cavity

What is the Ventral body cavity made up of?

Thoracic cavity

Abdominopelvic cavity

What is the thoracic cavity made of?

Superior mediastinum

Plueral cavity

Pericardial cavity

What is the Pericardial cavity within?

Mediastinum

What do serous membranes do?

Cover walls and organs in thoracic and abdominopelvic cavities

Where are serous membranes found?

In the thoracic and abdominopelvic cavities

What are the two serous membrane layers that create space for fluid to flow?

Parietal layer

Visceral layer

What does the parietal layer do?

Lines the walls of the body cavity

What does the visceral layer do?

Touches and covers the organ

Where is serous space/fluid found?

Between parietal and visceral layers

There are two thoracic serous membranes, what are they?

Pleura

Pericardium

There is one abdominopelvic serous membrane, what is it?

Peritoneum

What does the pleura serous membrane do?

Surround the lungs, one for each

What does the pericardium serous membrane do?

Surrounds the heart

What does the peritoneum serous membrane do?

Surrounds several organs in the abdominopelvic cavity

How many regions are in the abdominopelvic cavity?

Nine