ANAT 380 Module 2 Abdomen Questions
and Correct Answers/ Latest Update /
Already Graded
9 regions of anterior abdominal wall
Ans: 1. epigastric region
2. umbilical region
3. hypogastric region
4. left hypochondriac region
5. left lumbar region
6. left inguinal region
7. right hypochondriac region
8. right lumbar region
9. right inguinal region
9 layers of abdomen
Ans: 1. skin
2. superficial fascia
3. investing fascia
4. external oblique
5. internal oblique
6. transversus abdominis
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7. transversalis fascia
8. extraperitoneal fat
9. parietal peritoneum
two layers of superficial fascia
Ans: outer layer (fatty camper's fascia)
Inner layer (membranous scarpa's fascia)
rectus sheath location and function
Ans: layer of fascia enveloping rectum abdominis
protective layer in anterior abdominal wall
Tendinous rectus sheath components and encloses
Ans: Internal obliques, external obliques and trans versus
abdominis becoming aponeurotic
Encloses rectum abdominis muscles
Linea alba
Ans: Midline where rectum sheaths converge
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Aponeurotic
Ans: Flat sheath of tendon like material that anchors muscle or
connects it with part that muscle moves
Anterior abdominal arterial supply; 2 arteries and location
Ans: Two arteries in rectus sheath posterior to rectus
abdominis muscle
Superior epigastric artery
Inferior epigastric artery
Superior epigastric artery
Ans: Terminal branch of internal thoracic (mammary) artery
Enters rectum sheath posteriorly and anastomoses with inferior
epigastric artery
Inferior epigastric artery
Ans: Branch of external iliac artery
2 lymph node groups that drain anterior abdominal wall and lymph
nodes included in them
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