Exam 2 Content Support Drawings & Outlines Flashcards

1
Q

What nerves innervate the anterior wall (rectus abdominis) and lateral wall muscles (external oblique, internal oblique, and transverse abdominis)?

A

Thoracoabdominal nerves (T7-T11) and subcostal n. (T12)

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2
Q

What nerve innervates the pyramidalis m.?

A

subcostal n. (T12)

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3
Q

What nerves besides thoracoabdominal nerves and subcostal n. innervate the internal oblique and transverse abdominis?

A

iliohypogastric and ilioinguinal n.

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4
Q

Which nerve innervates the cremaster muscle?

A

genital branch of genitofemoral n.

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5
Q

The anterior wall of the abdomen has inferior named arteries that branch from the ________________ and superficial named arteries that branch from the ______________

A

external iliac a., femoral a.

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6
Q

After coursing inferior to the inguinal ligament, the ________________ become the femoral vessels

A

external iliac vessels

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7
Q

The inguinal canal is above the….

A

inguinal ligament

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8
Q

The posterior wall of the abdomen lies anterior and slightly left of the anterior aspect of the lumbar vertebrae, with the ______ lying to its right

A

IVC

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9
Q

What are the 7 branches of the abdominal aorta?

A

1) inferior phrenic a.
2) middle suprarenal a.
3) celiac trunk
4) superior mesenteric a.
5) renal a.
6) testicular/ovarian (gonadal) a.
7) inferior mesenteric a.

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10
Q

What are the arteries of the adrenal gland (suprarenal)?

A

superior, middle, and inferior suprarenal arteries

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11
Q

The superior suprarenal a. is a branch of the….

A

inferior phrenic a.

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12
Q

The middle suprarenal a. is a branch of the….

A

abdominal aorta

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13
Q

The inferior suprarenal a. is a branch of the….

A

renal a.

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14
Q

What are the arteries of the anterior wall of abdomen?

A

-superior epigastric a.
-common iliac a.
-external iliac a.
»inferior epigastric a.
»deep circumflex iliac a.
-femoral a.
»superficial epigastric a.
»superficial circumflex iliac a.

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15
Q

The abdominal aorta bifurcates at….

A

L4

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16
Q

What are the 3 major arteries of the abdominal aorta?

A

1) celiac trunk
2) superior mesenteric a.
3) inferior mesenteric a.

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17
Q

What are the branches of the celiac trunk on the LEFT side?

A

-left gastric a.
»esophageal branch
-splenic a.
»left gastric (epiploic)-omental a.

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18
Q

What are the branches of the celiac trunk on the RIGHT side?

A

common hepatic a.
-proper hepatic a.
»right hepatic a.
»left hepatic a.
»right gastric a.
-gastroduodenal a.
»right gastro (epiploic)-omental a.
»anterior superior pancreaticduodenal a.
»posterior superior pancreaticduodenal a.

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19
Q

What are the branches of the superior mesenteric a.?

A

-inferior pancreaticduodenal a.
»anterior branch
»posterior branch
-middle colic a.
-right colic a.
-ileocolic a.

mnemonic: I MRI

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20
Q

What are the branches of the inferior mesenteric a.?

A

-left colic a.
-sigmoid arteries
-superior rectal a.

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21
Q

The superior rectal a. is the terminal branch of the….

A

inferior mesenteric a.

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22
Q

The hepatic venous portal system drains blood to the….

A

liver

23
Q

The hepatic venous portal system drains blood to the liver from the lower portion of the esophagus to the upper part of the anal canal and includes the spleen and pancreas. The hepatic venous portal system is located between anterior and posterior walls of abdomen. The inferior mesenteric v. drains into the….

A

splenic v.

24
Q

The splenic v. unites with the ___________________ to form the hepatic portal vein/ portal vein

A

superior mesenteric v.

25
Q

The inferior epigastric v. is a branch of the….

A

external iliac v.

26
Q

The inferior epigastric v. anastomoses with the….

A

superior epigastric v.

27
Q

The thoracoepigastric v. unites with the _____________ to the superficial epigastric v.

A

lateral thoracic v.

28
Q

The lateral thoracic v. is a branch of the….

A

axillary v.

29
Q

The superficial epigastric v. is a branch of the…

A

femoral v.

30
Q

The L testicular/ovarian (gonadal) v. drains into the….

A

L renal v.

31
Q

The R testicular/ovarian (gonadal) v. drains into the…

A

IVC

32
Q

What are the veins of the abdominal anterior wall?

A

inferior epigastric v. and superficial epigastric v.

33
Q

The inferior epigastric v. is a branch of the….

A

external iliac v.

34
Q

The superfical epigastric v. is a branch of the….

A

femoral v.

35
Q

What are the veins on the lateral wall of the abdomen?

A

the thoracoepigastric veins connect with the lateral thoracic and superior epigastric veins

36
Q

What are the veins of the posterior wall of the abdomen?

A

IVC
-inferior phrenic v.
-right, middle, and inferior hepatic veins
-renal veins
»L gonadal v.
-R gonadal v.
»common iliac v.

37
Q

The right, middle, and left hepatic veins drain purified blood to the…

A

IVC

38
Q

The L gonadal veins drain into….

A

L renal v.

39
Q

The R gonadal veins drain into the….

A

IVC

40
Q

What are the branches of the hepatic portal vein/portal vein?

A

-superior mesenteric v.
-splenic v.
»inferior mesenteric v.

41
Q

What are the 3 posterior abdominal wall muscles?

A

1) quadratus lumborum
2) psoas major and minor
3) ilacus

42
Q

Which muscle is this?
-origin= iliac crest (posterior border)
-insertion= rib 12 and L1-L4 TPs
-innervation= local branches of ventral rami
-action= unilateral lateral flexion and bilateral depression of rib cage

A

quadratus lumborum

43
Q

What does psoa mean?

A

loins

44
Q

Which muscle is this?
-origin= T12-L4 TPs
-insertion= lesser trochanter of femur
-innervation= local branches of ventral rami
-action= hip flexion

A

psoas major

45
Q

Which muscle is this?
-origin= T12-L1 vertebrae and IVD
-insertion= pectineal line of pubis
-innervation= local branches of ventral rami
-action= weak trunk flexion

A

psoas minor

46
Q

What muscle is this?
-origin= iliac fossa (upper 2/3)
-insertion= lesser trochanter (femur)
-insertion= femoral n.
-action= hip flexion with psoas major

A

iliacus

47
Q

What are the 2 anterolateral abdominal wall muscles?

A

1) pyramidalis
2) rectus abdominis

48
Q

Which muscle is this?
-origin=pubic crest and symphysis
-insertion= linea alba
-innervation= subcostal n. (T12)
-action= tenses linea alba

A

pyramidalis

49
Q

Which muscle is this?
-origin= pubic crest
-insertion= xiphoid process (sternum) and costal cartilages 5-7
-innervation= thoracoabdominal nerves, lateral branches of intercostal nerves (T7-T11), and subcostal n. (T12)
-action= flexion of lumbar spine

A

rectus abdominis

50
Q

What are the 3 lateral abdominal wall muscles?

A

1) external oblique
2) internal oblique
3) transverse abdominis

50
Q

Which muscle is this?
-origin= ribs 5-12
-insertion= xiphoid, linea alba, pubic crest and tubercle, inguinal ligament, iliac crest
-innervation= T7-T11 and T12 nerves
-action= flexion and contralateral rotation of torso

A

external oblique

51
Q

Which muscle is this?
-origin= thoracolumbar fascia, iliac crest, inguinal ligament
-insertion= ribs 10-12, xiphoid, linea alba, pectineal line of pubis
-innervation= T7-T11, T12, iliohypogastric, and ilioinguinal (L1) nerves
-action= flexion and ipsilateral contraction of torso

A

internal oblique

52
Q

Which muscle is this?
-origin= costal cartilages 7-12, thoracolumbar fascia, iliac crest, and inguinal ligament
-insertion= xiphoid, linea alba, pectinal line of pubis
-innervation= T7-T11, T12, iliohypogastric, and ilioinguinal (L1) nerves
-action= compresses abdominal contents

A

transverse abdominis

53
Q

Which tendon is a common aponeurosis of the internal oblique muscle and transverse abdominis and inserts into the pubic crest and pectineal line?

A

conjoint tendon