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Maris anatomy 1 > intestines > Flashcards

intestines Flashcards

1
Q

what part of duadenum is intraperitoneal

A

superior

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2
Q

ligament of treitz

A

connects celiac trunk to duodenum and separates duo from jej

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3
Q

what do doctors use as a land mark to distinguish duodenum from jujenum

A

ligament of treitz

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4
Q

four parts of duodenum

A

superior, descending, inferior, ascendling

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5
Q

how long is duodenum

A

10in

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6
Q

superior part of duodenum

A

2 in, runing upwards and backwards on right side of L1

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7
Q

descending part of duo

A

3 in, runs vertically dowanward along right side of L1-l3

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8
Q

inferior part of d

A

3in run horrizontally in front of L3

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9
Q

ascending part of d

A

2in run upwards and to L and ends at duodenojejunal flexure

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10
Q

minor duodenal papilla made by

A

accessory pancreatic duct

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11
Q

mucosa of duodenum called

A

plica circularis or circular folds

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12
Q

what do the circular folds do

A

increase absorption area of duodenum

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13
Q

major duodenal papilla is made by

A

common bile duct and main pancreatic duct

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14
Q

blood supply of duo

A

superior and inferior pancreatico-duodenal arteries

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15
Q

superior pancreatico-duodenal artery is a branch of

A

gastroduodenal a.

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16
Q

inferior pancreatico-duodenal a branch of

A

superior mesenteric a

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17
Q

lymph drainage of duo

A

pancreatoduodenal nodes, then celiac nodes and superior mesenteric nodes

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18
Q

the sup and inf pancreatico duo a ( )

A

anastome

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19
Q

jejun and ileum are how long

A

20 ft long

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20
Q

mesentary acts as a

A

conduit for vans

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21
Q

jej and ile are ____peritoneal

A

intra so freely mobile, attached by mesentery

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22
Q

what accompanies teh sup and inf pancreatico duo

A

superior mesenteric plexus branches called post sup and post inf pancr duo plexus

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23
Q

differences between jej and ile

A
  1. j is coiled in upper part of peritoneal cav il in lower part of cav
  2. je wider lumen thicker wall redder than ileum (cause more absorption and vascular there)
  3. je is taller and more circular folds (cause more absorption), ileum has shorter and fewer circular fold
  4. je mesentery is attached to posterior wall above adn to the left of aorta, ileu mesentery is attached below and to the right of aorta
  5. je vessels form few arcades with few long branches, il vessels form numerous arcades with short numerous terminal branches (vas erecti)
  6. jeju mesentery has fat deposited in the root area and thins out towards the intestines, ile even fat distribution throughout the mesentery
  7. jej has larger and fewer archades and vas erectir are longer
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24
Q

peyer’s patches are present in /concentrated in

A

mucous membrane of lower ileum along anti-mesenteric border

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25
Q

peyers patch is

A

connection of lymphode nodules

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26
Q

peyers patch are in how much of hte intestine

A

the whole, but aggregate in il and scattered in je

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27
Q

celiac ganglion surround

A

base of celiac trunk

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28
Q

middle colic is a branch of

A

sup mesenteric

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29
Q

middle colic gives blood to

A

transverse colon

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30
Q

first branch of sup mes a on right side

A

inferior pancreaticduodenal

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31
Q

right colic and iliocolic a supplies

A

ascending colon

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32
Q

jejenum found in

A

left upper part

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33
Q

ilium found in

A

lower right side

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34
Q

specifically find peyers patch on intestine

A

opposite the mesenteric connection

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35
Q

intestinal branches are found on

A

left of sup mese

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36
Q

intestinal branchse anastome with

A

self forming intestinal archandes

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37
Q

vas erecti

A

arteries that go to the intestines

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38
Q

vas erecti arise from

A

archades

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39
Q

ilial branches found on what side

A

on right

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40
Q

blood supply of small intestine

A

superior mesenteric

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41
Q

venous drainage of small i

A

portal system

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42
Q

what drains the je and il

A

superior mesenteric v

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43
Q

superior mesenteric vein drains into

A

portal vein

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44
Q

lymp drainage of s.i

A

mesenteric nodes (in mesentery), then to superior mesenteric nodes, to intestinal lymph trunk, to cisterna chyli

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45
Q

nerve supply of s.i

A

celiac plexus, superior mesenteric plexus

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46
Q

the celiac plexus specifically supplies

A

primarily duodenum

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47
Q

superior mesenteric plexus primarily supply the

A

jej and il

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48
Q

the sup mesent plexus follows the

A

sup mes a.

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49
Q

the pre symp fibers of s.i is from

A

lesser splanchnic

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50
Q

what fibers are apart of sup mes plex

A

gva pre para post symp

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51
Q

the post symp fibers of s.i from

A

superior mesenteric ganglion

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52
Q

t5-9

A

greater splan

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53
Q

t10-11

A

lesser splan

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54
Q

t12

A

least splanc

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55
Q

superior mesenteric ganglion surround

A

base of superior mesenteric a.

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56
Q

large intestine extends from, and how long

A

ileum to anus , 5ft

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57
Q

what is the large intestine divided into

A

cecum, appendix, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, anal canal

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58
Q

what are the big 3 characteristics of large in

A

tenia colia, haustrations, epiploical appendages

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59
Q

tenia colia

A

longitudinal muscles grouped into 3

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60
Q

haustrations are

A

segments of large i (hastrau plrl)

61
Q

epiploical appendages

A

fat deposits/potrusions surrounded by visceral peritoneum

62
Q

sigmoid looks like a

A

s

63
Q

appendix is a

A

narrow muscular tube, 3-5 in long, contains lots of lymphoid tissue

64
Q

where does appendix lie

A

right iliac fossa, mcburneys point

65
Q

blood supply of appendix

A

appendicular artery, branch of posterior cecal a

66
Q

lymph drainage of appendix

A

mesenteric nodes to superior mesenteric nodes

67
Q

nerve supply of the appendix

A

superior mesenteric plexus, afferent fibers for pain enter t10 segment

68
Q

signs of appendicitis

A
  1. beginning sign of appendicitis: refered pain from t10 to umbilical area
  2. as enlarges, touches parietal peritoneum so localize to right lower quadrant, PERITINITIS
  3. point tenderness at mcburneys pt
  4. rebound tenderness (press in pain disapears, release hurt)
  5. ROVSING’S SIGN- press left side of abd, no pain relase and get pain on right side (peritoneal irritation)
  6. iliopsoas sign: lay down and lift up R leg with resistence and cause pain or extend R leg
69
Q

ascending colon extends from what and how long

A

extends upward from cecum to inferior surface of right lobe of liver, 5in

70
Q

what does ascendinc colon end with

A

right colic flexure

71
Q

ascending colon is ()peritoneal

A

retro

72
Q

blood supply of ascending

A

ileocolic and right colic a

73
Q

nerve supply of ascending colon

A

superior mesenteric plexus

74
Q

ileocolic and right colic a are branches of

A

superior mesenteric a

75
Q

right colic flexure aka

A

hepatic flexure

76
Q

transverse colon extend and length

A

extend from across abdomen occupying ulbilical region, 15 in, from r colic flexure to l colic flexure

77
Q

the transverse colon is supsended by

A

transverse mesocolon from anterior surface of pancreas

78
Q

blood suppy of transverse colon

A

middle colic and left colic aa

79
Q

nerve supply of tc

A

superior and inferior mesenteric plexus

80
Q

middle colic is a branch of

A

superior mesenteric

81
Q

left colic as is brnach of

A

inferior mesentery

82
Q

the right 2/3 of tc is derivative of what embryologic

A

midgut

83
Q

lat 1/3 of tc is derived from

A

hind gut

84
Q

right 2/3 tc blood supply

A

middle colic

85
Q

lat 1/3 tc blood supply

A

left colic as

86
Q

descending colon how long and extends from

A

10 in, extend left colic flexure to pelvic brim

87
Q

pelvic brim aka

A

superior pelvic aperature, pelvic inlet

88
Q

descending col is ()peritoneal

A

retroperitoneal

89
Q

blood supply of descendign colon

A

left colic and sigmoidal a

90
Q

nerve supply descendi col

A

inferior mesenteric plexus

91
Q

inferior mesenteric plexus derived from

A

inferior mesenteric ganglion

92
Q

sigmoidal arteries branches of

A

inferior mesenteric a

93
Q

sigmoid colon length and extends

A

10-15in, extend pelvic brin to front of S3

94
Q

sigmoid colon attached to post wall by

A

sigmoid mesocolon

95
Q

blood supply of sigmoid colon

A

sigmoid branches of the inferior mesenteric a.

96
Q

lymph drainage of sig col

A

inferior mesenteric nodes

97
Q

nerve supply of sig col

A

inferior mesenteric and hypogasatric plexus

98
Q

hypogastric plexus supplys

A

lower part in pelvic cavity

99
Q

inferior mesenteric plexus supplys

A

upper part of sigmoid

100
Q

rectum how long and begins and end

A

5in, begins in front of S3 and ends 1in in front of tip of coccyc

101
Q

rectum is ()peritoneal

A

retro

102
Q

outerlongitudinal muscle surrounds () of rectum

A

entire circumfrence

103
Q

blood supply of rectum

A

superior, middle, and inferior rectal arteries

104
Q

lymph drainage superior half of rectum

A

pararectal lymph

105
Q

lymph drainage inferior half of rectum

A

internal iliac lymph nodes

106
Q

nerve supply of rectum

A

hypogastric plexuses

107
Q

rectosigmoid junction

A

bend at rectum

108
Q

why rectum normally empty

A

cuase of rectosigmoid junction

109
Q

when does rectum get filled

A

when theres a peristaltic rush

110
Q

anal canal how long and passes what

A

1.5 in, downward and backward from rectal ampulla to the anus

111
Q

involuntary internal sphincter made from

A

smooth muscle

112
Q

external sphincter is

A

voluntary

113
Q

blood supply of anal canal

A

superior and inferior rectal arteries

114
Q

upper half of anal canal lymph drainage

A

internal iliac nodes

115
Q

lower half of anal canal lymph drainage

A

superficial inguinal nodes

116
Q

nerve supply upper portion of anal canal

A

hypogastric plexus

117
Q

nerve supply lower portion of anal canal

A

inferior rectal nerve and perineal branch of s4 nerve

118
Q

slight dilation at bottom of anal canal

A

rectal ampulla

119
Q

anorectal angle

A

bend/angle from puborectalis muscle, 80 degrees downwards and backwards

120
Q

the involuntary internal anal sphincter is a thickening of

A

smooth circular muscle

121
Q

what sphincter automatically relaxes when feces get into rectal ampulla

A

internal anal sphincter

122
Q

nerve supply upper portion of anal canal

A

hypogastric plexus

123
Q

nerve supply lower portion of anal canal

A

inferior rectal nerve and perineal branch of s4 nerve

124
Q

slight dilation at bottom of anal canal

A

rectal ampulla

125
Q

anorectal angle

A

bend/angle from puborectalis muscle, 80 degrees downwards and backwards

126
Q

the involuntary internal anal sphincter is a thickening of

A

smooth circular muscle

127
Q

what sphincter automatically relaxes when feces get into rectal ampulla

A

internal anal sphincter

128
Q

anal columns

A

longitudinal ridge

129
Q

anal columns aka

A

columns of morgagny

130
Q

lower half of anal canal supplied by nerve

A

pudendal nerve (s2-4 keep ding dong off floor)

131
Q

tissue type of lower anal canal

A

stratified squamous kertinized (like skin) with apocrin glands

132
Q

anocutaneous line aka

A

mucocutaneous line

133
Q

the ancocutaneous line is the

A

junction of the two diff kinds of tissue in the anal canal

134
Q

the lower half of the anal canal is from the

A

ectoderm

135
Q

the upper half of the anal mucosa is from

A

endoderm

136
Q

the upper half of anal canal is what type of tisseu

A

simple columnar et

137
Q

where do the longitudinal columns connect

A

anal valve

138
Q

what prevents liquid material from getting out

A

anal valve

139
Q

what makes the dentate line

A

the anal valve

140
Q

the end of upper half/middle zone of the anal canal is

A

stratified squamous nonkertanized

141
Q

branches of superior mesenteric artery

A

inf pancreaticoduo, middle colic, right colic, ileocolic, post cecal, ant cecal

142
Q

branches of inferior mesenteric a

A

left colic, sigmoidal, superior rectal a

143
Q

superior rectal a gives blood to

A

upper half rectum and upper portion of anal

144
Q

branches of internal iliac a

A

middle rectal a, inferior rectal a

145
Q

middle rectal a. and inferior rectal a supplies

A

inferior rectum

146
Q

middle colic a supplies

A

right 2/3 of transverse

147
Q

the 2 ascending branches of left colic supply

A

lat 1/3 of transverse colon

148
Q

the ilieocolic branches supplies

A

cecum

Maris anatomy 1 (18 decks)

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