Anterolateral Abdominal Wall

Question 1

Describe the layers of fascia above the umbilicus

Answer 1

• skin and superficial fascia
• muscle layer and deep fascia
• extra-peritoneal fascia
• parietal peritoneum

Question 2

describe campers fascia

Answer 2

• superficial
• fatty layer
• continuous over inguinal ligament and into fascia of thigh and perineum

Question 3

describe campers fascia in males

Answer 3

• continues into fascia of penis
• looses fatty layer
• fuses with deeper layers of superficial fascia to become dartos fascia of scrotum

Question 4

describe campers fascia in females

Answer 4

• retains fatty layer
• contributed to fascia of labia majora

Question 5

describe Scarpa’s fascia

Answer 5

• membranous
• attaches to pubic symphysis and linea alba in midline

Question 6

describe Scarpa’s fascia in males

Answer 6

• fascia of penis
• dartos fascia of scrotum
• fundiform ligament of penis

Question 7

describe Scarpa’s fascia in females

Answer 7

contributes to labia majora

Question 8

describe the external oblique

Answer 8

• muscle fibres pass down from ribs to pelvis
• end as an aponeurosis
• fibres run forward and down from ribs 5-12 to iliac crest and linea alba
• anterior rami T7-12

Question 9

describe the aponeurosis of the external oblique

Answer 9

• left and right sides meet in midline to form linea media
• anterior wall of rectus sheath
• folds over as it reaches pelvic bones forming the floor of the inguinal canal (inguinal ligament)

Question 10

describe the internal oblique

Answer 10

• deep to, thinner, and smaller than external
• fibres run forward and upwards
• aponeurosis ends in linea alba, pectineal line and pubic crest
• anterior rami T7-L1