Anterolateral abdominal wall

Question 1

what layers make up the abdominal wall

Answer 1

superficial fascia
muscle layers and deep fascia
extra-peritoneal fascia
parietal peritoneum

Question 2

what is camper’s fascia

Answer 2

continuation of fatty layer of superficial fascia
inferiorly blends w/ superficial fascia fascia of thigh and perineum

Question 3

what happens to camper’s fascia in males

Answer 3

continues into fascia of penis, loses fatty layer and fuses w/ deeper layer of superficial fascia to become dartos fascia of scrotum

Question 4

what happens to camper’s fascia in females

Answer 4

retains fatty layer and contributes to fascia of labia majora

Question 5

what is scarpa’s fascia

Answer 5

a thin, membranous fascia
attaches to pubic symphysis and linea alba

Question 6

what happens to scarpa’s fascia below the inguinal ligament

Answer 6

fuses with fascia of thigh to form fascia lata

Question 7

male contributions of scarpa’s fascia

Answer 7

fascia of penis, dartos facsia of scrotum and fundiform ligament of penis

Question 8

female contributions of scarpa’s fascia

Answer 8

contributes to labia majora

Question 9

attachments of external oblique

Answer 9

ribs 5-12
iliac crest
linea alba - midline

Question 10

innervation of external oblique

Answer 10

anterior rami T7-12

Question 11

attachments of internal oblique

Answer 11

ribs 9-12
pubic crest, pectineal line and inguinal ligament

Question 12

innervation of internal oblique

Answer 12

anterior rami T7-12 and L1

Question 13

attachments of rectus abdominis

Answer 13

xiphoid process and costal cartilages of ribs 5-7
to
pubic tubercle, crest and symphysis

Question 14

innervation of rectus abdominis

Answer 14

anterior rami T7-12

Question 15

describe the rectus sheath above the umbilicus

Answer 15

anterior wall - aponeuroses of external and internal oblique
posterior wall - aponeuroses of internal oblique and transverus abdominsis

Question 16

describe the rectus sheath below the umbilicus

Answer 16

aponeuroses of all 3 muscle layers lie anterior to rectus sheath
posterior wall is transversalis fascia

Question 17

what is the arcuate line

Answer 17

transition point of aponeurosis to more delicate fascia

Question 18

what is contained in the lateral umbilical fold

Answer 18

inferior epigastric vessels

Question 19

innervation of fascia and skin

Answer 19

anterior and lateral branches of 6-12 intercostal nerves
iliohypogastric nerve (L1)

Question 20

origin of abdominal wall arteries

Answer 20

femoral (inferior epigastric) or internal thoracic (superior epigastric) arteries

Question 21

venous drainage of abdominal body wall

Answer 21

towards axilla or femoral veins

Question 22

arterial supply to rectus abdominis

Answer 22

superior and inferior epigastric

Question 23

what artery is superior epigastric a branch of

Answer 23

internal thoracic

Question 24

which artery is inferior epigastric a branch of

Answer 24

external iliac

Question 25

detail the lymphatic drainage of this region

Answer 25

superficial
above umbilicus - axilla
below umbilicus - ingunal

deep
upper - parasternal
middle - lumbar
lower - external iliac