Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Viscera Lecture > Abdominal Wall I > Flashcards

Abdominal Wall I Flashcards

1
Q

What are the two planes that define the 4 quadrants of the abdominal wall

A
  1. transumbilical plane

2. median plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

horizontal plane through the umbilicus at the IVD between L3 - L4

A

transumbilical plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

vertical plane dividing body into right and left halves

A

median plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the abdomen is divided into how many regions

A

9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the 4 planes that delineate the regions

A
  1. R and L midclavicular planes
  2. subcostal plane
  3. transtubercular plane - which passes through the L5 vertebral body
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the 9 abdominal regions

A
  1. epigastric
  2. umbilical
  3. hypogastric
  4. R and L hypochondriac
  5. R and L lumbar
  6. R and L inguinal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

fatty, superficial layer of fascia

A

camper’s fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

deep, membranous layer of fascia

A

scarpa’s fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the external to internal order of fascial in the abdominal wall

A
  1. subcutaneous tissue - campers and scarpa’s fascia
  2. deep fascia
  3. transversalis fascia
  4. endoabdominal fat (visceral fat)
  5. parietal peritoneum (peritonitis)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

largest and most superficial of the 3 flat abdominal muscles

A

external oblique muscle (EAO)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

insertion of the EAO

A

linea alba (midline), pubic tubercle, and anterior half of iliac crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

innervation of EAO

A

thoracoabdominal nerves T6-T11 and subcostal nerve T12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the distal extension of T7-T11 intercostal nerves

A

T12 subcostal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

action of the EAO

A

lateral flexion, flexion, contralateral trunk rotation (w/ unilateral contraction)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

males: the EAO becomes the ______ around the scrotum and spermatic cord

A

superficial spermatic fascial covering

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

males and females: thickened inferior margin of the EAO aponeurosis folds back onto itself to become ____ (ASIS to pubic tubercle)

A

inguinal ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

males and females: defect in the EAO aponeurosis forms the _________

A

superficial inguinal ring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

fibers run in the orientation of internal intercostal muscles

A

internal oblique muscle (IAO)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

innervation of IAO

A

thoracoabdominal nerves T7-T11, subcostal nerve T12, and L1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

action of IAO

A

lateral flexion, trunk flexion, ipsilateral trunk rotation (w/ unilateral contraction)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

joining of IAO aponeurosis with transversus abdominis to form

A

conjoint tendon

22
Q

around the spermatic cord is

A

cremasteric muscle fibers and fascia

23
Q

exists between IAO and the transverse abdominis muscle

A

neurovascular plane

24
Q

contents of the neurovascular plane

A
  1. thoracoabominal nerves T7-T11
  2. subcostal nerves T12
  3. iliohypogastric nerves (ventral rami L1)
  4. inferior intercostal, subcostal, and lumbar arteries
  5. deep circumflex iliac arteries
25
Q

fibers run transversomedially

A

transverse abdominal muscle

26
Q

origin of transverse abdominis

A

thoracolumbar fascia

27
Q

innervation of transversus abdominis

A

T7-T11 thoracoabdominal nerves, subcostal nerve T12, and L1

28
Q

action of transversus abdominis

A

compression of abdominal contents (lumbar stability)

29
Q

long, broad linear muscle located anteriorly just along midline with 3 tendinous insertions

A

rectus abdominis muscle

30
Q

action of rectus abdominis

A

trunk flexion and abdominal compression (NO ROTATION)

31
Q

the rectus sheath lies ____ to the arcuate line

A

superior and inferior

32
Q

anterior rectus sheath is formed by

A

EAO and anterior 1/2 of IAO aponeurosis

33
Q

posterior rectus sheath is formed by

A

transversus abdominis and posterior 1/2 IAO aponeurosis

34
Q

posterior and anterior rectus sheath form at the

A

linea alba

35
Q

inferior to the arcuate line, the aponeurosis of all three flat muscles pass _____ leaving it covered by only the transversalis fascia and parietal peritoneum posteriorly

A

anteriorly

36
Q

arise from the internal thoracic arteries and descends within the belly of the rectus abdominis within its sheath

A

superior epigastric arteries (R and L)

37
Q

arises from the external iliac artery and runs superiorly and enters the rectus sheath DEEP to the rectus abdominis muscle belly

A

inferior epigastric arteries (R and L)

38
Q

the inferior epigastric arteries form the ________ to determine whether an inguinal herniation is direct of indirect

A

lateral umbilical fold

39
Q

arise from the femoral arteries and run in the superficial fascia towards umbilicus

A

superficial epigastric arteries

40
Q

arise from femoral arteries, but run in the superficial fascia along the inguinal ligament

A

superficial circumflex iliac arteries

41
Q

arise from the external iliac arteries and run along the deep aspect of the anterior abdominal wall parallel to the inguinal ligament

A

deep circumflex iliac arteries

42
Q

what artery anastomoses with the iliolumbar artery

A

deep circumflex iliac artery

43
Q

serves as communication between the femoral vein and axillary vein

A

thoracoepigastric vein (bypass for a failing liver)

44
Q

portal obstruction causes the thoracoepigastric veins along the paraumbilical veins to varicose

A

caput medusae

45
Q

what nerves innervate the inferior part of the external oblique and skin over the ASIS

A

subcostal nerves

46
Q

what nerve innervates the skin of the hypogastric region and the skin over the iliac crest, internal oblique and the transverse abdominal muscles

A

iliohypogastric nerves (damaged in sea section)

47
Q

innervates the skin of the scrotum and labia majora, mons pubis, and medial aspect of the thigh, as well as the internal oblique and transverse abdominis muscles

A

ilioinguinal nerves (ventral rami L1)

48
Q

superior to the umbilicus drain into the ______ lymph nodes

A

axillary

49
Q

inferior to the umbilicus drain into the ______ lymph nodes

A

superficial inguinal

50
Q

deep lymphatics drain into

A

external iliac, common iliac, and lumbar lymph nodes

Viscera Lecture (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions