Lower GI L4 Flashcards

1
Q

top right hand corner named

A

right hypocondrium

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2
Q

middle right square

A

right flank

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3
Q

right bottom square

A

right groin

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4
Q

middle middle square

A

umbilical region

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5
Q

bottom middle square

A

pubic region

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6
Q

layers of the abdominal wall

A

skin
superficial fascia
muscles and associated fascia
parietal peritoneum

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7
Q

what does the superficial fascia consist of

A

fatty connective tissue

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8
Q

above the umbilicus how is the superficial fascia presented

A

a single sheet of connective tissue

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9
Q

below the umbilicus how is the superficial fascia presented

A

divided into two layers

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10
Q

what are the two layers of the superficial fascia called

A

campers fascia (superficial) and scarpa’s fascia (deep)

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11
Q

most superficial muscle of the abdominal wall

A

external oblique

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12
Q

name 4 muscles of the abdominal wall

A

external oblique
internal oblique
transversus abdominis
rectus abdominis

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13
Q

what do the aponeurosis of all the flat muscles form in the midline

A

linea alba

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14
Q

where does the linea alba run from-to

A

xiphoid process of sternum to the pubic symphysis

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15
Q

which ribs does the internal oblique insert onto

A

ribs 10-12

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16
Q

which way does the internal oblique run

A

superamedial

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17
Q

which is the deepest muscle of the abdominal wall

A

transverse abdominus

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18
Q

which way do the fibres of the transverse abdominus run

A

transverse

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19
Q

which muscles join to tendons to form the conjoint tendon

A

transverse abdominus and internal oblique

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20
Q

where does the rectus abdominis extend

A

the length of the anterior abdominal wall

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21
Q

what are the 3 or 4 bands of intersecting fibrous bands between the rectus abdominis called

A

tendinous intersections

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22
Q

what separates the rectus abdominis at the midline

A

linea alba

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23
Q

what muscle is not always present

A

pyramidalis muscle

24
Q

4 functions of the anterolateral abdominal wall

A

increases intra-abdominal pressure
moves the trunk
depress the ribs
supports the intestines

25
Q

what is the line called where the rectus sheath no longer encloses the rectus abdominis

A

arcuate line

26
Q

what happens at the arcuate line

A

all muscles/ aponeurosis move anterior to the rectus abdominis

27
Q

What does the movement of muscles at the arcuate line cause

A

the rectus abdominis to be in direct contact with the transveralis facia

28
Q

floor of the inguinal ligament is made up off

A

one half inguinal ligament

medially reinforced by the lacunar ligament

29
Q

what is the anterior wall of the inguinal canal

A

aponeurosis of external oblique

reinforced by lower most fibres of internal oblique

30
Q

what is the posterior wall of the inguinal canal made of

A

transveralis fascia

reinforced by the conjoint tendon

31
Q

what is the roof of inguinal canal made of

A

transverse abdominis and internal oblique

32
Q

what is a mesentary

A

double folds of peritoneum attaching to intestine wall

33
Q

which part of the small intestine has longer vasa recta

A

jejunum

34
Q

which part of the small intestine has more arterial arches

A

ileum

35
Q

what absorption happens in the ileum

A

B12 , H2O

36
Q

which part of the small intestine has thicker walls

A

jejunum

37
Q

what is meckels diverticulum

A

a slight bulge in small intestine present at birth

38
Q

which parts of the large intestine are retroperitoneal

A

ascending and descending

39
Q

where does the greater omentum go from

A

stomach to transverse colon

40
Q

3 distinguishing features of the colon

A

taeniae coli
haustra
appendicies epiploica

41
Q

4 parts of the colon

A

ascending
transverse
descending
sigmoid

42
Q

what is immediately lateral to the ascending and descending colon

A

paracolic gutters

43
Q

ascending colon arterial supply=

A

colic branch from iliocolic artery (SMA)

44
Q

transverse colon arterial supply

A

right colic artery (SMA)
middle colic artery (SMA)
Left colic (IMA)

45
Q

descending colon arterial supply

A

left colic (IMA)

46
Q

sigmoid colon arterial supply

A

sigmoid arteries (IMA)

47
Q

what decreased down the rectum

A

the peritoneal covering

48
Q

three epithelium of rectum

A

simple columnar
stratified squamous non-keratinized
stratified squamous keratinized

49
Q

visceral peritoneum=

A

covers organs

50
Q

parietal peritoneum=

A

lines walls

51
Q

mesenteries=

A

folds of peritoneum that suspend abdominal viscera

52
Q

intraperitoneal=

A

organs suspended in peritoneal cavity

53
Q

retroperitoneal=

A

organs outside peritoneal cavity with 1 surface covered with peritoneum

54
Q

what is the peritoneal cavity divided into

A

greater sac and omental bursa

55
Q

what connects the greater sac and omental bursa

A

omental foramen

56
Q

lesser omentum goes from

A

lesser curvature of stomach to inferior surface of liver

57
Q

what levels is the rectosigmoid junction

A

S3