Posterior Abdominal Wall Flashcards Preview

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Flashcards in Posterior Abdominal Wall Deck (24)
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1
Q

Origin and insertion of psoas major

A

O: L1-5 transverse processes and bodies

I: Lesser trochanter

2
Q

Functions of psoas major

A

Laterally bend trunk, stabilize trunk

Flex thigh w/ iliacus

3
Q

What are ALL the posterior abdominal wall muscles innervated by?

A

Muscular branches of the lumbar plexus (L1-L4)

4
Q

Where does psoas minor insert?

A

Pectineal line and iliopectineal prominence

5
Q

What does psoas major do that minor does NOT do?

A

Flex thigh w/ iliacus

6
Q

Only posterior abdominal wall muscle innervated by the subcostal n (T12)

A

Quadratus lumborum

7
Q

Innervation of the iliacus m.

A

Femoral n.

8
Q

R. and L. crus of the diaphragm are formed by what?

A

Anterior longitudinal lig., vertebral bodies, intervertebral discs

9
Q

Median arcuate ligament of the diaphragms surrounds what?

A

Aortic hiatus

10
Q

What anchors the esophagus to the diaphragm at the esophageal hiatus?

Made from what?

A

Phrenicoesophageal ligament

Inferior diaphragmatic fascia

11
Q

Roots of the phrenic n.

A

C3-C5

“C3-C5 keep the diaphragm alive”

12
Q

Which nerves are considered thoracoabdominal nerves?

A

T6/7 - T11

13
Q

Where is pain to the thoracic diaphragm often felt?

A

Right shoulder/scapular region

14
Q

3 paired lateral visceral arteries off of the abdominal aorta

A

Middle suprarenal aa.

Renal aa.

Gonadal aa.

15
Q

5 segments of the kidney

All arteries to each one comes off of what?

A
Superior
Anterosuperior
Anteroinferior
Inferior
Posterior

Renal a.

16
Q

2 types of paired segmental parietal arteries off the abdominal aorta

A

Inferior phrenic aa.

Segmental aa.

17
Q

2 types of segmental aa. in the abdominal region

A

Subcostal a. (T12)

Lumbar aa. (L1-4)

18
Q

What artery does not fall into any of the 3 categories off of the abdominal aorta?

A

Median sacral a.

19
Q

What 3 veins drain into the common iliac v. rather than the IVC?

A

Internal iliac v.

External ililac v. (femoral)

Epigastric v.

20
Q

Thoracic duct goes from ___ through the ___ to the ___

A

Chyle cistern

Aortic hiatus

L. jugular/L. subclavian vv. jxn

21
Q

Anterior abdominal wall superficial lymph goes into what 2 lymph node groups?

Splits (up vs. down) where?

A

Axillary
Superficial inguinal

Splits at about the umbilical region

22
Q

Stomach, duodenum, spleen, and pancreas lymph drains into which lymph nodes?

A

Pancreaticosplenic

23
Q

Which lymph nodes give the greatest contribution to the thoracic duct?

Drain what?

A

Hepatic lymph nodes

Deep liver, anterior superficial liver, bile duct, cystic lymph nodes

24
Q

Lymph from the esophagus, stomach, spleen, and pancreas all eventually end up in which nodes?

A

Celiac nodes