Peritoneum, Omentum, Esophagus and Stomach Flashcards
What supplies the abdominal wall of the hypochondriac region, anterolateral, and diaphragm?
- superior epigastric a
- musculophrenic a off internal thoracic
What supplies the lateral abdominal wall?
10th and 11th posterior intercostal and subcostal off the abdominal aorta
What supplies the inferior rectus abdominis and medial part of the anterolateral abdominal wall and iliacus muscle and inferior part of the anterolateral part of the abdominal wall?
- inferior epigastric a
- deep circumflex iliac a off of external iliac artery
What supplies the superficial abdominal wall of inguinal region and adjacent anterior thigh and subcutaneous tissue and skin over pubic and inferior umbilical region?
- superficial circumflex iliac a.
- superficial epigastric a. off femoral a.
How many sources of blood are their to the abdominal wall?
4
What is the venous drainage of the abdominal wall superior to the umbilicus?
internal mammary, intercostal, and lateral thoracic veins
What do the veins of the abdominal wall superior to the umbilicus drain into?
SVC
What is the venous drainage of the abdominal wall inferior to the umbilicus?
superficial epigastric and circumflex iliac veins
What forms the thoraco-epigastric vein?
venous anastomosis between the superficial epigastric vein and lateral thoracic veins
What provides a potential collateral pathway for blood normally draining via the IVC to return to the heart via the SVC when the IVC is blocked?
thoraco-epigastric vein
Anything above T10 is going to drain into what?
the axillary region
What do the superficial vessels of the abdominal wall accompany?
the subcutaneous veins
Superficial lymphatic vessels superior to the umbilicus drain mainly to what?
axillary lymph nodes
Superficial lymphatic vessels inferior to the umbilicus drain into what?
superficial inguinal lymph nodes
The deep lymphatic vessels of the abdominal wall accompany the deep veins and drain into what?
external iliac, common iliac, and lumbar lymph nodes
What does the first lumbar nerve bifurcate into?
- iliohypogastric nerves
- ilioinguinal nerves
Which nerves do not enter the rectus sheath?
- iliohypogastric nerve
- ilioinguinal nerve
What nerve pierces the external oblique aponeurosis superior to the superficial inguinal ring?
iliohypogastric nerve
What nerve passes through the inguinal canal to emerge through the superficial inguinal ring?
ilioinguinal nerve
The iliohypogastric and ilioinguinal nerves supply branches to what muscles?
internal oblique and transversus abdominis muscles
What does the foregut span from?
pharynx to hepatopancreatic ampulla (sphincter)
What artery supplies the foregut?
celiac artery
What region is epigastric pain associated with?
foregut
What does the midgut span from?
hepatopancreatic ampulla (sphincter) to 2/3 transverse colon