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Exam 4 Anatomy > Ab Cavity 4 > Flashcards

Ab Cavity 4 Flashcards

1
Q

Blood supply & drain to kidneys

A 
renal artery
segmental arteries
interlobar arteries
arcuate arteries
renal vein
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2
Q

kidney innervation

A

sympathetic T10-L1

parasympathetic vagus, S2-S4

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3
Q

adrenal gland cortex

A

produce corticosteroids and androgens

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4
Q

adrenal gland medulla

A

produce norepi and epi

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5
Q

adrenal gland blood supply

A
  • superior suprarenal artery
  • middle suprarenal artery
  • inferior suprarenal artery
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6
Q

adrenal gland medulla innervation

A

presynaptic sympathetics penetrate directly to medulla and synapse on chromaffin cells

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7
Q

adrenal gland cortex

A

autonomic fibers associated with blood cells controlling vasodilation and vasoconstriction

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8
Q

blood supply to diaphragm

A
  • superior phrenic artery

- inferior phrenic artery

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9
Q

psoas major

A

O: transverse processes of lumbar vertebrae; sides of vertebral bodies of T12-S1

I: lesser trochanter of femur

N: Lumbar plexus via anterior branches of nerves L2-L4

A: Acting inferiorly – flexes thigh; acting superiorly – flexes vertebral column laterally to balance trunk; when sitting acts inferiorly to flex trunk

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10
Q

iliacus

A

O: superior two thirds of iliac fossa, ala of sacrum and anterior sacro-iliac ligaments

I: lesser trochanter of femur and shaft inferior to it.

N: femoral nerve (L2-L4)

A: flexes thigh and stabilizes hip joint; acts with psoas major

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11
Q

quadratus lumborum

A

O: medial half of inferior border of 12th rib and tips of lumbar transverse processes

I: iliolumbar ligament and internal lip of iliac crest

N: anterior branches of T12 and L1-L4 nerves

A: extends and laterally flexes vertebral column. Fixes 12th rib during inspiration.

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12
Q

subcostal nerves

A

from: ventral rami of T12

Innervates: external oblique muscle and skin of the anterolateral abdominal wall

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13
Q

lumbar spinal nerves

A

from: L1-L5

Innervates: (posterior rami) deep back muscles, skin of the back; (anterior rami) skin and muscles of the most inferior trunk and lower limb.

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14
Q

lumbar plexus

A

L1-L4

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15
Q

ilioinguinal n

iliohypogastric n

A

from: L1

Innervates: Abdominal muscles and the skin of the inguinal and pubic regions

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16
Q

genitofemoral n

A

from: L1-L2 (divides into genital and femoral branches)

Innervates: Skin below the inguinal ligament

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17
Q

lateral femoral cutaneous n

A

from: L2-L3

Innervates: anterolateral skin of thigh

18
Q

femoral n

A

from: L2-L4

Innervates: iliacus, hip flexors, knee extensors

19
Q

obturator n

A

from: L2-L4

Innervates: medial thigh and adductors

goes through obturator foramen

20
Q

acessory obturator n

A

from: L3-L4

Innervates: pectineus, hip-joint

21
Q

Lumbosacral trunk

A

from: L4-L5

Innervates: joins sacral plexus

22
Q

subcostal arteries

A

from: thoracic aorta (inferior to 12th rib)

go: posterior body wall inferior to the 12th rib

23
Q

inferior phrenic a

A

from: abdominal aorta
go: inferior surface of diaphragm and suprarenal glands

24
Q

suprarenal a

A

from: abdominal aorta

go: suprarenal glands

25
Q

renal a

A

from: abdominal aorta

go: kidneys

26
Q

gonadal a

A

from: abdominal aorta

go: testes or ovaries

27
Q

lumbar a

A

from: abdominal aorta

go: posterior abdominal wall

28
Q

median sacral

A

from: abdominal aorta
go: sacrum and coccyx

29
Q

abdominal aorta

A

splits at L4 into the right and left common iliac arteries, which again divide into internal (enters pelvis) and external iliac arteries (follows iliopsoas).

30
Q

inferior vena cava

A

going: Back to the heart for oxygenation

comes from: blood comes from lower limbs, most of back, abdominal wall and abdominopelvic viscera

*NOTE: blood coming from the gut passes through the hepatic portal system before returning to the IVC

31
Q

R, L, Middle Hepatic veins

A

going: inferior vena cava
from: liver

32
Q

R, L inferior phrenic veins

A

going: inferior vena cava
from: inferior side of diaphragm

33
Q

R suprarenal vein

A

going: inferior vena cava
from: right suprarenal gland

34
Q

left suprarenal vein

A

going: renal vein
from: left suprarenal gland

35
Q

lumbar veins

A

going: inferior vena cava
from: posterior body wall

36
Q

R gonadal veins

A

going: inferior vena cava
from: right testicle or ovary

37
Q

L gonadal veins

A

going: left renal vein
from: left testicle or ovary

38
Q

blockage in inferior vena cava , can go these routes instead

A
  • superior and inferior epigastric veins
  • thoracoepigastric veins
  • epidural venous plexus
39
Q

preaortic lymph nodes

A
  • celiac
  • superior mesenteric
  • inferior mesenteric
40
Q

thoracic duct origin

A

anterior to L1 & L2 between right crus and aorta

41
Q

thoracic duct ends at

A

ends at junction of L subclavian and internal jugular vein

Exam 4 Anatomy (8 decks)

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