Anterior Abdominal Wall Flashcards
what type of structures are abdominal wall layers?
somatic structures
abdominal wall layers are innervated with…
somatic sensory and motor
superficial to deep layers of abdominal wall
skin
Camper’s fascia (fatty SF)
Scarpas’s fascia (membranous SF)
3 layers of muscle (external, internal transversus)
transversalis fascia
extraperitoneal fat
parietal peritoneum
what structure is this?
linea alba
what structure is this?
superficial fascia fatty layer
(Camper’s fascia)
what structure is this?
superficial fascia membranous layer
(Scarpa’s fascia)
what structure is this?
parietal peritoneum
what structure is this?
extraperitoneal fascia
what structure is this?
transversalis fascia
what structure is this?
transversus abdominis muscle
what structure is this?
internal oblique muscle
what structure is this?
external oblique muscle
ID INTERNAL ABDOMINAL OBLIQUE
Boundaries of the abdominopelvic cavity:
Ceiling (diaph), Floor (pelvic org)
Lateral and anterior walls (anterior abdominal wall) posterior (vertebral column)
Name the Layers of the anterior abdominal cavoty
SCS3TEP
T/F: Layers of anterior abdominal cavity are somatic
true
If male urethra ruptured where will blood and urin collect?
Between scarpas and ext obl
What activity is not affected by loss of somatic innervation to ant ab wall?
inhalation
What does the inguinal ligament form?
lower boundary to apon of ext oblique
All abdominal muscle have insertion on Linea Alba except:
Rectus Abdominus
_____ is located between Peritoneum and Transveralis Abdominus
Tranversalis fasica
What muscle layer makes up both super and inferior portions of upper 2/3 Rectus abdominus?
Internal Obliquee
The apon of transversalis abdominus is always ____ to rectus abdominus
DEEP
Below the arcuate line, only _____ and extraperitoneal fat are DEEP to rectus abdominus
Transversalis Fascia
Innervation to anterior abdominal wall is provided by:
Ventral Rami
1) Lower 5 intercostal (t7-11)
2) Subcostal (t12)
3) Iliohypogastric and ilioinguinal nerves of L1
Iliohypogastric nerve is from rami of what spinal nerve?
L1
Blood supply to anterior ab wall
Intercostal arteriers, subcostal
Supplies the upper part of rectus sheath (artery)
Superior epigastric artery
Superior epigastric artery runs on ____ surface of rectus abdominal
DEEP
Most significant blood supply for rectus abdominus
Inferior epigastric art (on DEEP surface)
–anast with superior epigast artery
Lymph drainage for structures above umbilicus (back, upper limbs)
Axillary lymph nodes
Lymph drainage for structures below umbilicus (lower back, pelvis, perineum, lower limbs)
Superficial Inguinal Nodes
