Abdomen muscles and vasculature

Question 1

What are the 3 flat muscles of the abdominal wall from superficial to deep

Answer 1

• external oblique
• internal oblique
• transverse abdominal

Question 2

What are the vertical muscles of the abdominal wall

Answer 2

• rectus abdominis

- pyramidalis

Question 3

True or False the rectus abdominis are contained in the rectus sheath composed of the anterior and medial aponeuroses of the flat muscles of the abdominal wall

Answer 3

True

Question 4

Describe campers fascia

Answer 4

the fatty layer between skin of the abd and the external oblique

Question 5

Describe scarpas fascia

Answer 5

membranous fascia surrounding and between the 3 flat muscles of the abdominal wall

Question 6

What is the linea alba

Answer 6

fibrous medial line in the anterior abdominal

midline of abs

Question 7

What the pyramidalis an describe its role.

Answer 7

small triangle muscle that is anterior to the inferior part of the rectus abdominis and attaches to the anterior surface of the pubis and ends at the line of alba

it tenses the line of alba

Question 8

What artery supplies the superior portion of the anterior lateral wall and the superior rectus abdominis

Answer 8

superior epigastric artery

Question 9

What is the superior epigastric artery a continuation of

Answer 9

the internal thoracic artery

Question 10

What artery supplies the inferior portion of the rectus abdominis

Answer 10

inferior epigastric artery

Question 11

Where does the inferior epigastric artery arise from

Answer 11

the external iliac

Question 12

What does the parietal branches of the abdominal aorta supply

Answer 12

body wall structures

Question 13

What are the 6 major visceral branches of the abdominal aorta

Answer 13

1. celiac
2. superior mesentery
3. suprarenal
4. renal
5. gonadal
6. inferior mesentery

Question 14

What are the 3 major branches of the celiac artery and what do they supply

Answer 14

1. Splenic= spleen, pancreas, greater omentum, stomach
2. L gastric= stomach and esophagus
3. Hepatic = liver, gallbladder, stomach, duodenum, pancreas, greater omentum

Question 15

What area does the superior mesenteric artery supply

Answer 15

the small intestine (duodenum, jejunum, ileum), ascending colon and transverse colon

Question 16

What area does the inferior mesenteric artery supply

Answer 16

transverse colon, descending colon, sigmoid colon, and rectum

Question 17

Where does the blood of abdominal and pelvic viscera drain

Answer 17

inferior vena cava

Question 18

True or false the branches of the vena cava that drain blood from the abd cavity have names that correspond with the arterial names

Answer 18

True

Question 19

What are caput medusae

Answer 19

dilated paraumbical veins that result when the portal vein become congested

Question 20

Do the tributaries of the portal vein have valves

Answer 20

no, that is why blood can flow in the reverse direction back to the vena cava when there is hepatic congestion