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Anatomic Reference Systems

Anatomic Reference Systems. Describe the location and functions of body parts using: Body planes Body directions Body cavities Body Regions. (continues). Surface Anatomy. Anatomical position – hands at side, palms up, feet forward and together. Supine – anatomical position lying face up

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Anatomic Reference Systems

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  1. Anatomic Reference Systems • Describe the location and functions of bodyparts using: • Body planes • Body directions • Body cavities • Body Regions (continues)

  2. Surface Anatomy • Anatomical position – hands at side, palms up, feet forward and together. • Supine – anatomical position lying face up • Prone – anatomical position lying face down

  3. Anatomical Landmarks See page 16

  4. Abdominopelvic Quadrants 4 Quadrants RUQ RLQ LUQ LLQ Describing areas of concern by clinicians.

  5. Abdominopelvic Regions More precise locations when discussing clinically External landmarks help identify internal organ location. (continues)

  6. Planes Transverse- superior/inferior section (cross-section) Frontal/Coronal – anterior (ventral)/posterior (dorsal) Sagittal – left/right (continues)

  7. Directional Terms • Be familiar with terms on P. 19 • Let’s practice

  8. Anatomic Reference Systems (continues)

  9. Anatomic Reference Systems (continues)

  10. Body Cavities • Ventral Body Cavity (Coelem) • Contains most internal organs- rearranges during fetal development • Divided into 2 cavities by the diaphragm (flat muscular sheet) • Thoracic • Abdominopelvic • Organs in cavities change shape during various physiological activities. • Organs known as viscera • Covered by membrane known as visceral layer.

  11. Body Cavities cont. • Thoracic cavity • 1 Pericardial cavity (heart) • 2 pleural cavities (lungs) • Membranes: • Pericardium (peri-around, cardi-heart) • Visceral – covers the heart • Parietal – the opposing surface • Surrounded by the mediastinum • Pleura • Visceral covers the lungs • Parietal- opposing surface

  12. Body Cavities cont. • Abdominopelvic – below diaphragm to the pelvis • Abdominal cavity • Liver, stomach, spleen, SI, LI • Pelvic cavity • LI, blader

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