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Questions and Answers
Which of the following is NOT one of the cranial bones that form the cranial cavity?
In the vertebral cavity, what acts as a cushioning agent for the spinal cord against the vertebral column?
What is the function of the subarachnoid space in the cranial cavity?
Which body cavity is separated from the abdominal cavity by the diaphragm?
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Which cavity contains the heart, lungs, trachea, and esophagus?
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What are the two major components of the dorsal cavity?
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What is the primary function of the pelvic cavity?
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Which cavity is bounded by the bones of the pelvis?
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What is the primary content of the abdominal cavity?
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Which membrane covers not only the inside wall but also every organ in the abdominal cavity?
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Study Notes
Cranial Cavity
- The cranial cavity is formed by specific cranial bones, but the exact bone that does not form the cranial cavity is not specified.
- The subarachnoid space in the cranial cavity acts as a cushioning agent for the brain.
Vertebral Cavity
- In the vertebral cavity, cerebrospinal fluid acts as a cushioning agent for the spinal cord against the vertebral column.
Body Cavities
- The thoracic cavity is separated from the abdominal cavity by the diaphragm.
- The thoracic cavity contains the heart, lungs, trachea, and esophagus.
Dorsal Cavity
- The two major components of the dorsal cavity are the cranial cavity and the vertebral cavity.
Pelvic Cavity
- The primary function of the pelvic cavity is to protect and support the pelvic organs.
- The pelvic cavity is bounded by the bones of the pelvis.
Abdominal Cavity
- The primary content of the abdominal cavity includes organs such as the stomach, small intestine, and liver.
- The peritoneum membrane covers not only the inside wall of the abdominal cavity but also every organ in the abdominal cavity.
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Description
Explore the anatomy of the cranial cavity, formed by eight cranial bones, and learn about the protective membranes known as meninges that surround the brain. Discover the three layers of meninges - dura mater, arachnoid mater, and pia mater, and the subarachnoid space.
