abdominal wall and hernia Flashcards

1
Q

from the coelomic cavity what is derived

A

pericardium
pleura
peritoneum
tunica vaginalis

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2
Q

small amount of serous fluid secreted by

A

mesothelial lining

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3
Q

abdominal and thoracic cavities partitioned by the

A

diaphragm

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4
Q

diaphragm derived from

A

septum transversum plus muscular ingrowth

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5
Q

abdomen is continuous with the

A

pelvis - abdominopelvic cavity

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6
Q

abdominal cavity is lined by

A

mesothelial lining

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7
Q

what vertebral segment is uniquely mammalian

A

lumbar

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8
Q

abdominal wall is supplied by

A

intercostal nerves

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9
Q

intercostal nerve at the xiphoid

A

7th - last true rib

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10
Q

umbilicus intercostal nerve

A

T10

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11
Q

inguinal ligament intercostal nerve

A

L1

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12
Q

top middle abdominal zone

A

epigastric

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13
Q

top left

A

left hypochondria

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14
Q

top right

A

right hypochondria

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15
Q

middle

A

umbilical

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16
Q

middle left

A

left lumbar

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17
Q

middle right

A

right lumbar

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18
Q

bottom right

A

right inguinal

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19
Q

bottom left

A

left inguinal

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20
Q

bottom middle

A

hypogastric

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21
Q

vertical planes

A

left/right midinguinal

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22
Q

horizontal planes

A

subcostal plane

inter tubercular plane

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23
Q

diaphragm muscle, when relaxed, rises to

A

rib 5 - nipple line

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24
Q

pelvis inlet

A

boundary between abdominal cavity and pelvic cavity

25
Q

external oblique

A

V shape

26
Q

internal oblique

A

A shape

27
Q

transverse abdominus

A

straight line shape

28
Q

3 functions of abdominal wall

A
  1. containment/protection/strength
  2. respiration and voice projection
  3. posture/stability/movement
29
Q

rectus sheath

A

sheath encloses rectus abdominis

30
Q

anterior/superficial layer of rectus abdominis

A

aponeurosis of external oblique

fused with part of internal oblique

31
Q

midline partition

A

linea alba

32
Q

lateral edge

A

linea semilunaris

33
Q

arcuate line

A

no fascia below this line
not always there
wall is weaker below this line

34
Q

8 layers of the body wall

A
1. skin 
2 a. camper's fascia b. scarpa's fascia 
3. external oblique 
4. internal oblique 
5. transversalis abdominus 
6. transversalis fascia 
7. exztraperitoneal fat 
8. peritoneum
35
Q

2 types of subcutaneous fascia

A

camper’s - fatty fascia

scarpa’s - membranous fascia

36
Q

3 layers of muscle

A

external oblique
internal oblique
transversalis abdominis

37
Q

fascia underneath transversals abdominis

A

transversalis fascia

38
Q

scarpa’s fascia is attached to

A

inguinal ligament and linea alba

39
Q

below the inguinal ligament the scrapa’s facia becomes

A

fascia lata

40
Q

scarpa’s fascia does not attach to

A

pubic body

41
Q

inguinal canal

A

oblique canal through the 3 layers of the body wall

42
Q

deep inguinal ring

A

lateral halfway point of inguinal ligament
inferior epigastric artery passes through here
spermatic cord vessels pass through the deep ring

43
Q

superficial inguinal ring

A

medial end of inguinal ligament

44
Q

testes are supplied by

A

B arteries

45
Q

dartos muscle

A

wrinkles the skin of the scrotum

46
Q

ingluinal canal in males contains

A

the spermatic cord

47
Q

inguinal canal in females constables

A

round ligament of the uterus

48
Q

what is in front of the deep ring

A

all three layers of abdominal muscle

foramen n transversalss fascia

49
Q

what is in front of the superficial ring

A

tranverses and internal oblique lie behind the canal

external oblique continues into it

50
Q

spermatic cord and scrotum

A

testes descend into the scrotum after developing in the upper abdomen
draw layers of the abdomen wall with them - except transverses abdominus

51
Q

internal oblique muscle in the srcrotum gives rise to

A

the cremaster muscle and fascia

52
Q

the spermatic cord made by

A
  • external spermatic fascia
  • cremaster muscle and fascia
  • internal spermatic fascia
53
Q

spermatic cord contains

A

loose CT and fat
the testis
processus/tunica vaginalis

54
Q

hernia

A

increase in intraabdominal pressure can force contents through a weakness n the abdominal wall

55
Q

weaknesses in the abdomen wall

A
  • inguinal
  • femoral
  • umbilical
  • semilunar
  • oesophageal
  • obturator canal
  • post surgical site
56
Q

things with mesentery

A

are more mobile

57
Q

why are hernias bad

A

oobstruction of a tubular organ

loss of blood supply to the herniated organ

58
Q

indirect inguinal hernias

A
herniates through spermatic cord 
congenital 
not pushed 
through deep and superficial rings 
tunica vaginalis didn't close
59
Q

direct inguinal hernia

A
acquired 
was pushed 
weakened abdominal musculature 
herniates through superficial inguinal ring 
next to spermatic cord