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23 Cards in this Set
- Front
- Back
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A potential space in the abdomen is found between what 2 layers?
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Membranous layer of the subcutaneous tissue (Scarpa's) and the fascia covering rectus abdominis and external oblique m.
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What prevents fluid accumulated in the potential space in the abdomen from traveling to the thigh?
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Membranous layer of subcutaneous tissue (Scarpa's) attachment to the pubic bone.
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What are the general layers found in the abdomen from anterior to posterior?
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1. Skin
2. Camper's 3. Scarpa's 4. Investing/Deep Fascia 5. External Obliques 6. Internal Obliques 7. Transverse 8. Endoadominal Fascia 9. Extrparitoneal Fat 10. Parietal Peritoneum |
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Scarpa's layer is continuous around what 2 structures?
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Penis and Scrotum
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What is the rectus sheath composed of?
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Fusion of the abdominal muscles (external and internal oblique, transversus abdominis) and their associated fascias
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The rectus sheath encloses what 2 muscles?
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1. Rectus Abdominis
2. Pyramidalis |
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What is the arcuate line and where is it located?
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The arcuate line is where the arrangement of fascial/apenuroses layers changes. Located 1/2 way between umbilicus and pubic symphysis.
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What is the order of layers above the arcuate line?
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Skin
Campers Scarpas Apo of external (2 layers) Apo of internal (1 layer) Rectus Abdominis Apo of internal (1 layer) Apo of transversus (2 layers) Transversalis fascia Extraperitoneal tissue Parietal peritoneum |
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What is the order of layers below the arcuate line?
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Skin
Campers Scarpas Apo of external (2 layers) Apo of internal (2 layer) Apo of transversus (2 layers) Rectus Abdominis Transversalis fascia Extraperitoneal tissue Parietal peritoneum |
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Where do the deep system of arteries branch from?
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Superiorly- Subclavian
Mid- Abdominal Aorta Inferiorly- External Iliac |
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Where does the superficial system of arteries originate from?
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Superiorly- perforationg branches
Inferiorly- femoral |
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What are the deep system arteries?
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Musculophrenic
Superior and Inferior Epigastric Intercostal, subcostal, and lumbar Deep Circumflex iliac |
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What are the superficial system arteries?
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Superficial circumflex iliac
Superficial epigastric External pudendal |
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What are the Deep drainage veins?
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Subclavian
External Iliac Lumbar and Intercostal |
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What are the superficial drainage veins?
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Thoracoepigastric
Lateral Thoracic Superficial epigastirc |
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Name 3 sensory dermatomes.
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T7- xiphoid region
T10- umbilical region L1- inguinal fold region |
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Cutaneous branches of ventral rami and intercostal nerves run between what 2 muscles to innervate what structures?
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Between internal abdominal oblique and transversus abdominis to innervate skin, muscles and parietal peritoneum.
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What are the spinal roots and area of innervation for the Iliobypogastric and Ilioinguinal nerves?
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L1 is the spinal root for both and Iliohypogastric supplies the suprapubic region, while the Ilioinguinal supplies the groin and scrotum/labium majus.
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Genitofemoral nerve has what spinal roots and area of innervation?
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L1 and L2
Genital- cremaster m. Femoral- cutaneous to femoral triangle area |
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Superficial lymphatic drains where?
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Superior of umbilicus- anterior axillary and sternal nodes
Inferior of umbilicus- superficial inguinal nodes |
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Where does deep lymphatics drain to?
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abdominal nodes
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What is the cause and treatment of umbilical hernias in infants and adults?
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Infants- umbilicus didn't heal completely, heals spontaneously
Adults- weakened abdominal wall around umbilicus, surgical repair (common in women) |
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What is an epigastric hernia and what is the treatment?
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Protrudes through the linea alba, usually superior to umbilicus, more common in men. Surgically repair if large or symptomatic.
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