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GIGU > Posterior Ab wall > Flashcards

Posterior Ab wall Flashcards

1
Q

Psoas Major and Minor origin insertion innervation action?

A
  • O: transverse processes sides of verterbal bodies
  • I: tendon to lesser trochanter of femur
  • Anterior rami L1-3
  • Flexor of hip
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2
Q

Iliacus OIAI?

A
  • Superior 2/3 iliac fossa ala ASIS
  • Lesser trochanter
  • Femoral nerve L2-4
  • Hip flexor
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3
Q

Quadratus lumborum

A
  • Iliolumbar lig and lip of lilac crest
  • Medial half of inferior surfacce of 12th rib and tips of lumbar TP
  • Anterior T12, L1-4
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4
Q

Psoas Abscess signs and causes?

A
  • Back or flank pain witha fever limp and inguinal mass
  • Lower abdomen pain exacerbated by extending the thigh
  • Causes:
    • disease of organs
    • Cancers
    • Infections deep to psoas fascia
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5
Q

What is the Medial arcuate ligament?

A
  • Fascial thieckening of the psoas fascia spanning the lumbar body and tip of L1 TP
  • Lateral to median arcuate lig
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6
Q

Lateral arcuate ligament?

A

Fascial thickening of quadratus lumborum running from L1 TP to tip of 12th rib

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7
Q

Median arcuate ligament?

A

Tendinous arch of the crura of the diaphragm, unites right and left crura

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8
Q

What are the unpaired arteries of the posterior abdominal wall?

A
  • Celiac Trunk T12
  • SMA L1
  • IMA L3
  • Median sacral artery
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9
Q

What are the paired arteries of the post ab wall?

A
  • Subcostal arteries
  • Inferior phrenic arteries
  • SUprarenal arteries
  • Renal arteries L2
  • Gonadal arteries L2
  • Lumbar arteries
  • Deep circumflex iliac arteries
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10
Q

Where does IVC begin, pass, and what are its tributaries?

A
  • Anterior to L5 and to the right
  • Passes through caal hiatus of diaphragm
  • Paired visceral branches are suprarenal renal and gonadal veins
  • Paired parietal branches are inferior phrenic 3&4th lumbar vein and common iliac vein
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11
Q

What two veins connect SVC and IVC?

A

Ascending lumbar vein and Azygos vein

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12
Q

What does the left gonadal vein do to get its blood into the IVC?

A

connects to the left renal vein

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13
Q

What passes through the Caval opening and where is it?

A

At T8, the IVC and right phrenic nerve enter the abdominal cavity

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14
Q

Esophageal hiatus contents?

A

Esophagus and Anterior and posterior vagal trunks at T10

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15
Q

Aortic Hiatus?

A

Aorta, thoracic duct, and sometimes the azygos and hemiazygos veins go behind the diaphragm at T12

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16
Q

What are the 3 parts to the diaphragm?

A
  • Muscular portion:
    • Sternal part attaching to xiphoid
    • Costal attaching to inferior 6 costal cartilages
    • Lumbar part attaching to lumbar vert. bodies
  • Central tendon
  • Crura:
    • right crus L1-4 larger and longer some fibers run along the left of the aortic hiatus
    • Left crus L1-3 bodies
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17
Q

What arteries are on the superior side of the diaphragm?

A
  • musculophrenic and pericardicophrenic off of the internal thoracic artery
  • Superior phrenic artery off of the thoracic aorta
18
Q

What arteries are on the inferior side of the diaphragm?

A
  • Inferior phrenic off of ab aorta
  • Intercoostal branches for peripheral diaphragm
19
Q

What is a Para-esophageal hiatal hernia?

A
  • Pouch of peritoneum and stomach fundus extending through esophageal hiatus usually anterior to the esophagus
  • Gastric regurgiation doesn’t occur bc the cardiac portion is normal
20
Q

What is a sliding hiatal hernia?

A
  • Abdominal esophaguls cardiac and portion of fundus extend through esophageal hiatus
  • Regurgitation possible
21
Q

What is the renal hilum?

A
  • entrance to the renal sinus where BV, renal pelvis and nerves are
22
Q

What muscle covers the bulk of the kidney?

A

Quaddratus lumborum

23
Q

Where does the transpyloric plane run through the right kidney and left?

A
  • Right:Through the superior pole
  • Left: hilum
24
Q

Describe Perinephric fat.

A
  • Fat adjacent to kidney capsule extending into renal pelvis
25
Q

Describe renal fascia.

A
  • covers fat enveloping the kidney and suprarenal gland
  • it blends and ensheats the vessels and is continuous with inferior diaphragmatic fascia
26
Q

Describe paranephric fat?

A

external to renal fascia

27
Q

Ureter location and sites of potential obstruction?

A
  • Runs from the renal pelvis passing over the pelvic brim, along the lateral pelvic wall and runs posterior to vas deferens and uterine artery
  • Junction of ureter with renal pelvis, crossing pelvic brim or entering bladder wall can be obstructed
28
Q

What arteries supply the ureter? (6)

A
  • Renal branches
  • Gonadal branches
  • Ab aorta branches
  • Iliac branches
  • Superior vesical branches
  • Pelvi branches such as rectal uterine vaginal and inferior vesicular
29
Q

Where is the right suprarenal gland located and what is the blood supply and innervation?

A
  • found near right crus right kidney and IVC
  • Superior middle and inferior suprarenal arteries
  • Preganglionic sympathetic from T10-L1
  • Celiac plexus and abdominopelvic splanchnic nerves
30
Q

Where is left suprarenal gland?

A

Near left crus spleen pancrease stomach and left kidney

31
Q

Where do the common iliac lymph nodes drain and where do they get lymph from?

A
  • From the external and internal iliac nodes and they drain into the lumbar lymph nodes
32
Q

Where do the lumbar lymph nodes run, where do they get lymph, and what do they form?

A
  • Runs along IVC and aorta bilaterally
  • Posterior wall and posterior pelvic wall and organs
  • Forms the lumbar lymphatic trunks
33
Q

What do the pre-aortic lymph nodes form and what do they drain?

A
  • form intestinal lymphatic trunks
  • drains from alimentary tract, liver, spleen, pancreas
34
Q

Where do the common iliac lymph nodes, lumbar lymph nodes and preaortic lymph nodes drain?

A

Cisterni Chyli

35
Q

Roots of subbcostal nerve?

A

T12

36
Q

Roots of iliohypogastric and ilioinguinal?

A

L1

37
Q

Roots of genitofemoral nerve?

A

L1,2

38
Q

Roots of lateral femoral cutaneous nerve?

A

L2,3

39
Q

Roots of the femoral and obturator nerve?

A

L2-4

40
Q

Roots of lumbosacral trunk?

A

L4,5

GIGU (17 decks)

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