Abdomen I Flashcards
What are the 3 superior boundaries of the anterior abdominal wall?
- xiphisternal joint
- xiphoid process
- costal margin
What are the 4 inferior boundaries of the anterior abdominal wall?
- iliac crest
- pubic symphysis
- inguinal ligament
- ASIS
Where does the inguinal ligament attach?
- to the ASIS and the pubic tubercle
What kind of a joint is the pubic symphysis?
- secondary cartilaginous
What are 6 soft tissue landmarks of the anterior abdominal wall?
- umbilicus L4
- external oblique
- linea semilunaris
- rectus abdominis
- linea alba
- tendinous intersections
What 2 planes divide the abdomen into 4 quadrants?
- transumbilical
- median
What 3 planes divide the abdomen into 9 regions?
- transpyloric/subcostal
- intertubercular
- midclavicular
What 7 structures can be found at the transpyloric plane?
- origin of superior mesenteric artery
- origin of portal vein
- hilum of left kidney
- origin of renal arteries
- duodenojejunal flexure
- termination of spinal cord
- pylorus
What are the 4 structures found in the transtubercular plane?
- tubercles of the iliac crest
- L4/L5
- origin of IVC
- confluence of common iliac veins
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At what level is the transpyloric plane?
- L1
At what level is the subcostal plane?
- L2
At what level is the transtubercular plane?
- L4/L5
What 2 fascia does the superficial fascia become?
- Camper’s fascia (fatty)
- Scarpa’s fascia (membranous)
What is the Camper’s fascia continuous with? (4)
- superficial fascia of thigh
- superficial fascia of penis
- dartos fascia (male)
- perineum and labia majora (fem)
What is Scarpa’s fascia continuous with? (4)
- fascia lata of thigh
- superficial ligaments of penis
- colles’ fascia (male)
- perineum and labia majora (fem)
What does the superficial fascia contain?
- fat
- superficial veins and nerves of the anterior abdominal wall
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Where can urine pool in men if the urethra ruptures?
- in the superficial perineal space
- scrotum
- lower anterior abdominal wall
What is the fiber direction of the external oblique muscles?
- inferomedial
What is the anterior border of the rectus sheath?
- medial aponeurosis
Where does the inguinal ligament go from and to?
- ASIS to pubic tubercle
What is the inferior border of the external oblique?
- inguinal ligament






















