Abdomen

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Author:
crod2424
ID:
106431
Filename:
Abdomen
Updated:
2011-10-04 23:18:14
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Abdomen
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Abdomen
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  1. The _____________ is the space bounded by the abdominal walls, diaphragm, and pelvis.
    abdominal cavity
  2. The abdominal cavity is
    • Enclosed anterolaterally by dynamic musculo-aponeu-rotic abdominal walls
    • Separated superiorly from the thoracic cavity by thediaphragm
    • Under cover of the thoracic cage superiorly extending tothe fourth intercostal space
    • Continuous inferiorly with the pelvic cavity
    • Lined with peritoneum, a serous membrane
    • The location of most of the digestive organs, spleen,kidneys, and ureters for most of their course
  3. What are the three flat muscles of the anterolateral abdominal wall?
    • External oblique
    • Internal oblique
    • Transversus abdominis
  4. External oblique, the superficial muscle:
    Its fibers pass inferomedially and interdigitate with slips of the serratus anterior. The inferior margin is thickened as an under-curving fibrous band that spans between the anterior superior iliac spine and the pubic tubercle as the inguinal ligament
  5. Internal oblique, the intermediate muscle:
    Its fibers fan out so that its upper fibers are perpendicular and its lower fibers are parallel to those of the external oblique.
  6. Transversus abdominis, the innermost muscle:
    Its fibers, except for the most inferior ones, run more or less horizontally.
  7. The aponeuroses interweave, forming a midline raphe (G. rhaphe,suture, seam), the _____________ (L.white line), which extends from the xiphoid process to the pubic symphysis.
    linea alba
  8. __________________, a small triangular muscle (absent in about 20% of people), that lies in the rectus sheath anterior to the inferior part of the rectus abdominis. Itends in the linea alba and tenses it.
    Pyramidalis
  9. What are the six common causes of abdominal protrusion?
    food, fluid, fat, feces, flatus, and fetus

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