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Anatomy 2 > Posterior Ab > Flashcards

Posterior Ab Flashcards

1
Q

Psoas general path

A

Behind medial arcuate ligament of diaphram, inserts onto the anterior thigh

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2
Q

Action of the psoas muscle

A

Flexion of the thigh (or vertebral column if legs are fixed)

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3
Q

Difference between psoas major/minor

A

Minor does NOT extend into the thigh

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4
Q

What muscle fills the area of the posterior abdominal wall deep/lateral to psoas major, between rib 12 and iliac crest?

A

Quadratus lumborum muscle

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5
Q

Action of quadratus lumborum

A

Depress/stabilize rib 12, weak lateral flexor of torso

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6
Q

Path of iliacus muscle

A

Deep surface of ilium to join the psoas muscle inserting onto the lesser trochanter of the femur

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7
Q

Regions of the diaphragm

A

Sternal, costal, lumbar

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8
Q

Joining of the left and right crura of the diaphram

A

MediaN arcuate ligament

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9
Q

What allows the aorta and thoracic duct to pass thru the diaphragm?

A

aortic hiatus (median arcuate ligament) and T12

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10
Q

Where is the esophageal hiatus?

A

In the right crus at T10

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11
Q

Passage for the psoas muscles, sympathetic trunk, and least splanchnic nerve

A

MediaL arcuate ligament

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12
Q

Passage of the quadratus lumborum

A

Lateral arcuate ligament

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13
Q

Passage of the IVC

A

Opening in the central tendon at T8 called caval foramen

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14
Q

Blood supply to the inferior aspect of the diaphragm

A

Inferior phrenic arteries

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15
Q

Blood supply specific to the superior aspect of the diaphragm

A

Pericardiophrenic, musculophrenic arteries

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16
Q

Lines the internal abdominal wall and inferior aspect of the diaphragm

A

Transversalis Fascia

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17
Q

3 Fascias of the thoracolumbar fascia

A

Quadratus lumborum, Psoas, Iliac

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18
Q

At what level does the aorta bifurcate into the iliac arteries?

A

L4

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19
Q

Visceral branches of the aorta

A

Celiac, Superior/Inferior mesenteric artery, Renal, Middle suprarenal, Gonadal

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20
Q

Parietal branches of the aorta

A

Inferior phrenic, 4 lumbar arteries, median sacral(unparied)

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21
Q

Level of celiac trunk and area it supplies

A

T12: spleen, stomach, part of pancreas, duodenum, gallbladder, liver

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22
Q

Level of superior mesenteric artery and area it supplies

A

L1: part of pancreas, small intestine, cecum, appendix, ascending colon, right half of transverse colon

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23
Q

Level of inferior mesenteric artery and the area it supplies

A

L3: Left half of transverse colon, desecnding colon, sigmoid colon, superior part of rectum

24
Q

Level renal arteries arise

A

L1-L2

25
Q

Level middle suprarenal arteries arise

A

L1

26
Q

Level Gonadal arteries arise

A

L2

27
Q

Where do the right and left common iliac veins join to form the IVC?

A

L5

28
Q

The IVC and the aorta lie on which sides of the body?

A

IVC: Right side, Aorta: left side

29
Q

Symptoms of nutcracker syndrome

A

Left flank pain, hematuria, left testicular pain or LLQ pain (female), can have enlargement of the paminiform plexus in the scrotum is far enough along

30
Q

Pathology of nutcracker syndrome

A

Left renal entrapment between the AA and the SMA, leading to renal hypertension and a rupture of thin-walled veins in the kidney

31
Q

Lymph on the anterior surface of the aorta at the celiac trunk/SMA/IMA, recieves from te abdominal viscera

A

Preaortic lymph

32
Q

Lymph on the sides of the aorta, receives from lower limbs/pelvis, reproductive organs, kidneys/adrenals, abdominal wall

A

Para-aortic lymph

33
Q

Saccular dilation formed by the joining of the right and left lumbar lymphatic trunks

A

Cisterna chyli_is the beginning of the thoracic duct

34
Q

Ventral ramus of T12

A

Subcostal nerve

35
Q

Major plexus for innervation of pelvis and lower limb

A

Lumbar plexus

36
Q

Path of illioinguinal nerve

A

Off of L1, anterior surface of quad lumbo, to iliacus, pierces TA/IO anteriorly to enter the inguinal canal, then thru the superficial inguinal ring (NO deep inguinal ring)

37
Q

Branches of liliohypogastric

A

Lateral cutaneous (posterolateral gluteal skin) and anterior cutaneous (skin over pubic region)

38
Q

Genitofemoral nerve path

A

L1/2, pierces psoas, then anterior surface posterior to ureter, divides into genital and femoral

39
Q

Obturator nerve path

A

L2-L4, medial bordr of psoas major (pelvic brim), runs with common iliac vessels, then thru the obturator foramen into medial compartment of thigh, divides into anterior/posterior obturators

40
Q

Femoral nerve path

A

L2-L4, lateral border of psoas major (anterior to iliacus), runs along the border between the psoas major/iliacus, passes posterior to the inguinal ligament entering the anterior thigh compartment

41
Q

Branches of the femoral nerve

A

Cutaneous (medial and intermediate), motor (iliacus, pectineus, sartorius, quad femoris), hip/knee branches

42
Q

Rough vertebral level of kidneys

A

T12-L3

43
Q

Which kidney is higher?

A

Left kidny

44
Q

What muscle is next to the right kidney?

A

Quadratus lumborum, TA

45
Q

Anterior contacts to right kidney

A

right suprarenal gland, descending part of duodenum, right colic flexure

46
Q

Anterior contacts to left kidney

A

Left suprarenal gland, pancreas, left colic flexure

47
Q

Anterior to posterior hilar structures

A

Renal vein, artery, pelvis

48
Q

What surrounds the parenchyma of the kidney?

A

Fibrous capsule

49
Q

Collection of fat outside of the capsule of the kidney, that is also present in the renal sinus

A

perirenal fat

50
Q

Fascia that encloses the fat and capsule of the kidney

A

Renal fascia

51
Q

How are the kidneys attached to the body?

A

Attached to the diaphragm, but open inferiorly

52
Q

Fat between the renal fascia and peritoneum

A

PARArenal fat

53
Q

Blood supply to the ureters

A

Ureteric branches off of the renal arteries

54
Q

Path of ureters

A

Desecnd anterior to psoas, cross iliac artery anteriorly, over the pelvic brim

55
Q

Shape of right suprarenal gland

A

Pyramid

56
Q

Shape of left suprarenal gland

A

Flat and semilunar

57
Q

Blood supply to suprarenal glands

A

Superior/middle/inferior suprarenal arteries

Anatomy 2 (10 decks)

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