Chapter 9 - BODY CAVITIES, MESENTERIES AND DIAPHRAGM

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11 Terms

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Pericardial Cavity

Heart

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Pleural cavities

Lungs

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Peritoneal cavity

abdominal and pelvic viscera

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Diaphragm

Separates the thoracic and abdominal cavities

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Intraembryonic Coelom

Appears during 4th week as horseshoe-shaped cavity

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What does the cranial bend differentiate into?

Future pericardial cavity

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What do the limbs lead to?

Future pleural and peritoneal cavities

<p>Future pleural and peritoneal cavities </p>
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Somatic mesoderm differentiates into

Parietal peritoneum

  • Lines the body wall


<p>Parietal peritoneum</p><ul><li><p>Lines the body wall</p></li></ul><p></p>
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Splanchnic mesoderm differentiates into

Visceral peritoneum

  • Covers organs


<p>Visceral peritoneum</p><ul><li><p>Covers organs </p></li></ul><p></p>
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Intraembryonic coelom divides into:

  • Pericardial cavity

  • Pair of pericardioperitoneal canals (Pericardium → abdomen)

  • Peritoneal cavity


<ul><li><p>Pericardial cavity</p></li><li><p>Pair of pericardioperitoneal canals (Pericardium → abdomen) </p></li><li><p>Peritoneal cavity</p></li></ul><p></p>
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