the abdomen pt4 circulation Flashcards
unit 3 the abdomen and pelvis
Identify Quadratus lumborum
Origin: Iliac crest and iliolumbar ligament
Insertion: Transverse processes of the lumbar vertebrae and the twelfth rib
Action: contraction of one side flexes the vertebral column laterally. Contraction of both sides extends the vertebral column
Identify Psoas Major
Origin: Transverse process of L1-L5
Insertion: Lesser trochanter of femur
Action: Flexes hip. Rotates thigh laterally. Flexes vertebral column
Identify Psoas Minor
Origin: Body, disc, and transverse process of L1
Insertion: Superior pubic ramus
Action: Flexes vertebral column
The aortic arch leads immediately into what other segment of the aorta?
descending thoracic aorta
Once the descending aorta passes through the diaphragm it is known as what?
Abdominal aorta (descending abdominal aorta)
At what level of the vertebral column does the aorta end?
L4
The aorta terminates by bifurcating into what two arteries?
Left and right common iliac arteries
What two arteries form an extensive anastomosis which supplies the anterior abdominal wall?
Superior and inferior epigastric arteries
What blood vessels carry blood to and from the diaphragm?
Superior and inferior phrenic arteries
What unpaired blood vessel arises from the abdominal aorta and splits into three branches that supply the stomach, part of the duodenum, the liver, and the spleen?
Celiac trunk
What artery supplies the lesser curvature of the stomach?
Left gastric artery
What artery supplies the spleen?
Splenic artery
What branch of the celiac trunk supplies the liver and related organs?
Common hepatic artery
What unpaired artery emerges from the abdominal aorta and supplies most of the small intestine, the pancreas, and the proximal part of the large intestine?
Superior mesenteric artery
What arteries supply the kidneys?
renal arteries
What arteries supply the gonads?
Gonadal arteries (Testicular arteries, Ovarian arteries)