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Anat unit 2 > Anterior Abdominal Wall (1) > Flashcards

Anterior Abdominal Wall (1) Flashcards

1
Q

internal oblique aponeurosis envelops __________

A

rectus abdominus

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2
Q

ext. oblique fibers run in what direction?

A

sup. lateral to inf. medial

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3
Q

rectus sheath

A

aponeurotic (tendinous) sheath
envelops rectur abdominus & pyramidalis mm.
has anterior and posterior layers

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4
Q

structure of rectus sheath is relative to ______

A

arcuate line

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5
Q

arcuate line is found ___________

A

posterior surface of rectus abdominus

btw umbilicus and pubic symphysis

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6
Q

rectus sheath components SUPERIOR to arcuate line

A

anterior - EO, 1/2 IO,

posterior- 1/2 IO, TA, transversalis fascia

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7
Q

rectus sheath components INFERIOR to arcuate line

A

anterior- aponeuroses of EO, IO, TA

posterior- transversalis fascia

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8
Q

what are the infraumbilical peritoneal folds?

A

median umbilical fold
medial umbilical folds (2)
lateral umbilical folds (2)

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9
Q

median umbilical fold location

A

from urinary bladder to umbilicus

covers med. umbilical ligament (remnant of uraneus)

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10
Q

medial umbilical folds

A

cover medial umbilical ligaments

occluded portions of umbilical aa.

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11
Q

lateral umbilical folds cover _______

A

inferior epigastric vessel

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12
Q

List the superficial vessels

A

circumflex iliac a. & v.

epigastric a. & v.

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13
Q

all vessels of ant. abdominal wall run in _________

A

superficial fat and fascia

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14
Q

circumflex iliac a. is a branch of _______ and supplies _________

A

br. of femoral a.

supplies region of inguinal ligament

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15
Q

epigastric a. is a branch of ________ and supplies _________

A

br. of femoral a.

supplies abdomen inf. to umbilicus

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16
Q

deep circumflex iliac vessels are a br. of _______ and supplies _________

A

br. of external iliac
runs btw. IO and TA
supplies inf. lateral abdominal mm.

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17
Q

inferior epigastric vessels are br. of _________ and supply ________

A

br. of external iliac

supplies lower rectus abdominus mm.

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18
Q

inferior epigastric vessels enter posterior rectus sheath at the ___________

A

arcuate line

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19
Q

superior epigastric vessels are br. of _________ and supply _________

A

br. of internal thoracic

supplies upper rectus abdominus mm.

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20
Q

superior epigastric vessels anastomose with __________

A

inf. epigastric

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21
Q

superior epigastric vessels enter post. rectus sheath at ________________

A

lateral to sternum

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22
Q

musculophrenic vessels are br. of __________ and run along ________

A

internal thoracic

costal cartilages

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23
Q

musculophrenic vessels supply ___________

A

upper abdominal mm. & diaphragm

24
Q

T7, T8, T9 supply:

A

region above umbilicus

25
Q

T10 supplies:

A

umbilical region

26
Q

T11, T12, L1 supply:

A

region below umbilicus

27
Q

abdominal wall nerves run __________

A

between IO and TA

28
Q

injury to T11, T12, L1 predisposes you to what?

A

direct inguinal hernia ; result of weakened inguinal region mm.

29
Q

nerves of abdominal wall

A

ventral rami of T7 - L1 spinal nn.

30
Q

describe location of inguinal region

A

superior to thigh
medial to ilium
lateral to pubic bone
extends btw ASIS and pubic tubercle

31
Q

__________ is the folded inferior border of the EO aponeurosis

A

inguinal ligament

32
Q

inguinal ligament extends from ________ to _________

A

ASIS to pubic tubercle

33
Q

inguinal canal location

A

transverses ant. abdominal wall

runs parallel & superior to inguinal ligament

34
Q

male inguinal canal contains

A
  • spermatic cord & contents (vas deferens, testicular nn & vessels, cremasteric m & fascia)
  • ilioinguinal n (L1)
35
Q

female inguinal canal contains

A
  • round ligament of uterus

- ilioinguinal n. (L1)

36
Q

superficial inguinal canal ring

A

opening in EO aponeurosis

triangular opening lat. to pubic tubercle

37
Q

deep inguinal canal ring

A

opening in transversalis fascia

subtle piercing lat. to inf. epigastric vessels

38
Q

inguinal canal extends between

A

superficial and deep rings

39
Q

anterior inguinal canal wall

A

EO aponeurosis

40
Q

posterior inguinal canal wall

A

transversalis fascia & conjoint tendon

fusion of IO, TA aponeuroses medially

41
Q

roof of inguinal canal

A

IO & TA muscles

42
Q

floor of inguinal canal

A

inguinal ligament

43
Q

hernial sac components

A

peritoneum
extraperitoneal fat
transversalis fascia

44
Q

90% of hernia occur ___________

A

inguinal region

45
Q

indirect inguinal hernia

A

extends thru entire inguinal canal (usually in D ring)

most common type (more freq. in males)

46
Q

canal of Nuck

A

name for indirect inguinal hernia in females

47
Q

typical causes of indirect inguinal hernia in males

A

persistent processus vaginalis

48
Q

location of indirect inguinal hernia

A

just lateral to inf. epigastric vessels

49
Q

direct inguinal hernia

A

thru inguinal triangle (inf. epigastric a., rectus abdominus, inguinal ligament)
emerges thru conjoint tendon
associated with weakened abdominal wall

50
Q

this type of hernia does NOT usually enter scrotum or labia majora

A

direct inguinal hernia

51
Q

direct inguinal hernia location

A

medial to inf. epigastric vessels

52
Q

this type of hernia passes MEDIAL to inf. epigastric vessels

A

direct inguinal hernia

53
Q

hernia most common in newborns

A

umbilical hernia

54
Q

hernia that runs thru linea alba, common over 40 and obese people

A

epigastric hernia

55
Q

hernia more common in females than males

A

femoral hernia

56
Q

this hernia runs thru femoral ring & canal

A

femoral hernia

Anat unit 2 (9 decks)

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