anatomy 25 cavities

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anatomy 25 cavities
2012-01-19 04:08:49
chapter body cavities

chapter 1 body cavities
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  1. Dorsal body cavities...
    Cranial cavity - which holds and protects the brain.

    Vertebral cavity - holds and protects the spinal cord.
  2. Ventral body cavities...
    Thoracic - chest cavity - holds lungs, heart, esophagus, trachea

    Abdominal - stomach and gut cavity - holds stomach, guts, liver, kidneys, other stuff.

    Pelvic cavity - contains bladder, rectum, reproductive organs.
  3. Thoracic cavity...
    Has several cavities within it...

    Superior mediastinum - contains trachea, esophagus

    Mediastinum - contains the heart, and pericardial cavity which is the same as superior mediastinum?

    Pleural cavity - thin cavity formed by serous membranes, this cavity surrounds the lungs.
  4. Abdominal cavity...
    Abdominal cavity contains digestive organs ( stomach, intestines, kidneys, liver, etc.

    Peritoneal cavity - inside the abdominal and pelvic cavities, a very thin cavity that lines the abdominopelvic cavity and provides a barrier between the outer wall of the cavity and the organs it contains.
  5. Serous cavities...
    Serous membrane ( serosa ) is a pair of membranes with a space between them. The space between the layers is called a cavity.

    • Parietal - the outer membrane of the serosa
    • Visceral - the inner membrane of the serosa

    • Pleura - serosa of the chest cavity
    • Pericardium - serosa of the heart
    • Peritoneum - serosa of the abdomen
  6. Oral cavity...
    The mouth.
  7. Nasal cavity...
    Cavity posterior to the nose.
  8. Orbital cavities ( orbits )...
    Eye sockets.
  9. Middle ear cavities...
    Middle ear. Hollow space medial to the eardrum, contains tiny bones that transmit sound vibrations to the inner ear.
  10. Synovial cavities...
    Joint cavities - like the cushions between vertebrae in your neck, they are hollow cavities.