Lecture 24: Abd and Pelvis: Walls & Peritoneum

Question 1

External Abdominal Oblique m. (O, I)

Answer 1

O: lateral surfaces of ribs and TL fascia
I: linea alba and prepubic tendon by wide aponeurosis

Question 2

Internal Abdominal Oblique m. (O, I)

Answer 2

O: TL fascia, ventral iliac spines and inguinal ligament
I: costal arch, rectus abdominis, linea alba, and prepubic tendon by wide aponeurosis

Question 3

Transversus abdominis m. (O, I)

Answer 3

O: medial surfaces of last 4-5 ribs and transverse processes of lumbar vertebrae
I: linea alba

Question 4

Rectus abdominis m.

Answer 4

courses between prepubic tendon and sternum and first few ribs

Question 5

What aponeuroses form the rectus sheath?

Answer 5

Ext abd oblique, int abd oblique, transversus abdominis mm.

Question 6

What are the three sections of the rectus sheath?

Answer 6

Cranial to umbilicus, caudal to umbilicus, cranial to pubis

Question 7

Ligament in cranial to umbilicus region of rectus sheath

Answer 7

falciform ligament

Question 8

Ligament in caudal to umbilicus region of rectus sheath

Answer 8

middle umbilical ligament

Question 9

What 5 structures pass through the inguinal canal?

Answer 9

-External pudendal a/v
-Genitofemoral nerve
-Lymphatics
-Vaginal process/tunic
-Spermatic cord

Question 10

T/F: the superficial inguinal ring is a slit in the aponeurosis of the ext abd oblique muscle

Answer 10

True

Question 11

What arteries supply the abdominal wall with blood?

Answer 11

Deep circumflex iliac, cranial abdominal, cranial and caudal epigastric (deep and superficial) arteries

Question 12

The caudal epigastric aa branch off what trunk?

Answer 12

pudendoepigastric trunk

Question 13

The cranial epigastric aa branch off which artery?

Answer 13

internal thoracic artery

Question 14

T/F: The deep cr/cd epigastric arteries interact with the mammary glands

Answer 14

False; superficial not deep

Question 15

Nerve at T13

Answer 15

costoabdominal nerve

Question 16

Nerve at L1

Answer 16

cranial iliohypogastric nerve

Question 17

Nerve at L2

Answer 17

caudal iliohypogastric nerve

Question 18

Nerve at L3

Answer 18

ilioinguinal nerve

Question 19

Nerve at L4

Answer 19

Lateral cutaneous femoral nerve

Question 20

3 portions of peritoneum

Answer 20

-parietal peritoneum
-visceral peritoneum
-connecting peritoneum

Question 21

The two mesenteries of the connecting peritoneum

Answer 21

Dorsal and ventral mesentery

Question 22

Where is the parietal peritoneum?

Answer 22

Along body wall

Question 23

Where is the visceral peritoneum?

Answer 23

Covering visceral organs of peritoneal cavity

Question 24

What connective tissue glues parietal peritoneum with the cavity walls?

Answer 24

Fascia transversalis

Question 25

What connects the greater curvature of the stomach, spleen and proximal duodenum with the pancreas?

Answer 25

greater omentum

Question 26

Falciform ligament connects what?

Answer 26

Liver with ventral abdomen

Question 27

Hepatogastric ligament (lesser omentum)

Answer 27

connects lesser curvature of stomach with the liver

Question 28

Hepatoduodenal ligament (lesser omentum)

Answer 28

connects first part of duodenum with liver