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Medicine Unit 2 > Anatomy: Abdominal Wall > Flashcards

Anatomy: Abdominal Wall Flashcards

1
Q

primary functions of the abdominal wall

A

allow expansion of internal contents (pregnancy)
increase pressure intra-abdominally (childbirth/defecation/urination)

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2
Q

what is in this image

A

rectus abdominus
is bilaterally located

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3
Q

what is the rectus abdomens subdivided by

A

small tendinous intersections

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4
Q

three layers of the obliques

A

external
internal
transversus abdominus

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5
Q

external obliques

A

run anterioinferiorally

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6
Q

internal obliques

A

run downwards and outwards

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7
Q

transversus abdominus

A

horizontally lined fibres that run perpendicular to the rectus abdominus

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8
Q

what is in this image

A

linea albia

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9
Q

what does the posterior abdominal wall compose of

A

psoas major
iliacus
iliopsoas
quadratus lumborum
obliques
diaphragm

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10
Q

what is in this image

A

psoas major and minor
minor not in everyone
major is bilaterally located, minor is anteriorly
joins iliacus laterally
attaches to the femur
for posture, hip flexion

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11
Q

what is in this image

A

iliacus

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12
Q

what is in this image and what is it formed from

A

iliopsoas
iliacus and psoas major
deep to the inguinal ligament
for hip flexion

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13
Q

what is in this image

A

quadratus lumborum
square shape muscle in the lumbar region
attaches to the iliac crest inferiorally
superiorly attaches to the inferior 12th rib

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14
Q

label superficial to deep

A

external
internal
transversus abdominus

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15
Q

what is in this image

A

diaphragm
extends inferiorally
forms the superior boundary of the abdominal wall

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16
Q

what is in this image

A

inguinal ligament

17
Q

where do nerves arise from

A

posteriorly either side of the vertebral column

18
Q

posterior nerve branches

A

dorsal rami
enervate the deep back muscles and skin

19
Q

anterior nerve branches

A

ventral rami
enervate the abdominal cavity, thigh and gluteal regions

20
Q

how many lumbar vertebrae are there

A

5

21
Q

how many thoracic vertebrae are there

A

12

22
Q

where is the spinal nerve located

A

inferiorally to the corresponding vertebral level

23
Q

what is the quadratus lumborus innervated by

A

T12

24
Q

what is psoas major and iliacus innervated by

A

L2-L4

25
Q

what does the femoral nerve supply to

A

anterior of the thigh
psoas major and iliacus

26
Q

what is in this image

A

femoral nerve

27
Q

what is in the image

A

anterolateral abdominal wall

28
Q

what are the two lines that section the four abdominal quadrants

A

vertical and horizontal
v- pubic synthesis, umbilicus, xiphoid process
h- directly through umbilicus

29
Q

what are the 4 quadrants of the abdomen

A

right upper
left upper
right lower
left lower

Medicine Unit 2 (28 decks)

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