Body%20Planes%20

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Body Planes Cavities Notes
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Body Planes/Sections

• Imaginary flat surfaces that divide the body or
  organs
• Sagittal (medial) divides body into right and
  left portions
• Frontal (coronal) divides body into anterior
  and posterior sections

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• Transverse (cross-section) divides body into
  superior and inferior portions

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Body Cavities

• space that remains after organs inside it are
  removed
• Two major
• Dorsal Body Cavities made up of cranial and
  spinal cavities
• Ventral Body Cavities contains all structures
  of chest and abdomen

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• Dorsal divided into
• Cranial Cavity space inside skull houses brain
• Spinal Cavity houses spinal cord

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• Ventral divided into
• Thoracic Cavity upper chest area houses lungs,
  heart, etc.
• Mediastinum houses heart
• Adominopelvic Cavity made up of abdominal and
  pelvic cavities
• Divided by the diaphragm

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• Abdominopelvic cavity divides into
• Abdominal Cavity houses stomach, liver,
  intestines etc.
• Pelvic Cavity houses reproductive organs,
  rectum, bladder

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4 Quadrants

• Compartmentalizes organs into 4 sections
• Right and left upper quadrants
• Right and left lower quadrants

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Nine Regions

• Divides the abdominopelvic cavity into nine
  sections
• Umbilical centermost visceral or abdominal
  pain
• Epigastric superior to umbilical heartburn

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Nine Regions

• Hypogastric (Pubic) inferior to umbilical
• Right Iliac (Inguinal) right of hypogastric
• Left Iliac (Inguinal) left of hypogastric gas
  pain

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Nine Regions

• Right Lumbar right of umbilical
• Left Lumbar left of umbilical
• Right hypochondriac right of epigastric

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Nine Regions

• Left hypochondriac left of epigastric

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