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Anatomy Exam 4 > IV: Abdominal Cavity II- Overview and supporting systems > Flashcards

IV: Abdominal Cavity II- Overview and supporting systems Flashcards

1
Q

which end of the esophagus is voluntary muscle? involuntary?

A

pharyngeal proximal end –> voluntary

gastric end –> smooth involuntary

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2
Q

what is the length of the small intestine? large?

A

20-23 ft small

5 ft large

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3
Q

3 parts of sm. intestine in order proximal to distal

A

duodenum
jejunum
ileum

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4
Q

5 parts of the duodenum and their classification

A

1st superior- intraperitoneal
2nd descending- secondarily retroperitoneal
3rd horizontal- secondarily retroperitoneal
4th ascending- secondarily retroperitoneal
5th terminal slip- intraperitoneal

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5
Q

where to the ducts carry excretions from liver gall bladder and pancreas enter the intestinal system

A

duodenum

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6
Q

which is longer jejunum or ileum

A

ileum

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7
Q

jejunum classification

A

intraperitoneal

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8
Q

ileum classification

A

intraperitoneal

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9
Q

what 3 characteristics distinguish the lg. intestine from the sm. intestine?

A
  • taenia coli
  • haustra
  • epiploic appendages
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10
Q

cecum classification

A

intraperitoneal

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11
Q

ascending colon classification

A

secondarily retroperitoneal

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12
Q

what forms right paracolic gutter

A

ascending colon

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13
Q

which intestine fuses with greater omentum?

A

transverse colon

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14
Q

where is the division between embryonic hindgut and midgut?

A

left colic flexure

proximal: midgut
distal: hindgut

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15
Q

descending colon classification

A

secondarily retroperitoneal

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16
Q

sigmoid colon classification

A

intraperitoneal

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17
Q

where does the taenia coli end?

A

rectosigmoid junction

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18
Q

rectum and anus classification

A

primarily retroperitoneal

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19
Q

3 branches off of celiac trunk

A
  1. common hepatic
  2. splenic
  3. left gastric
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20
Q

left gastric —>

A

lesser curvature of the stomach

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21
Q

3 branches off splenic a.

A
  1. pancreatic aa
  2. short gastric aa
  3. left. gastroomental/gastroepiploic
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22
Q

l. gatroepiploic —>

A

left side of the greater curvature of the stomach

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23
Q

3 main branches off of common hepatic a.

A
  1. gastroduodenal a.
  2. r. gastric a.
  3. proper hepatic a.
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24
Q

3 main branches off of gastroduodenal a.

A
  1. r. gastroepiploic/gastroduodenal
  2. superior pancreaticoduodenal a.
  3. supraduodenal a.
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25
Q

r. gastroduodenal –>

A

right side of the greater curvature of the stomach

26
Q

superior pancreaticoduodenal a. —>

A

stomach, pancreas and the head of the duodenum

27
Q

supraduodenal a. —>

A

superior duodenum, sometimes absent

28
Q

r. gastric artery –>

A

right lesser curvature of the stomach

29
Q

2 branches off of proper hepatic a.

A
  1. right hepatic a.
  2. left hepatic artery

both to the liver

30
Q

what does the cystic artery branch off of?

A

right hepatic a.

31
Q

6! branches of the superior mesenteric a. in the midgut

A
  1. inferior pancreaticoduodenal a.
  2. intestinal branches
  3. ileocolic a.
  4. r. colic a.
  5. middle colic a.
  6. marginal a.
32
Q

inferior pancreatico duodenal a. –>

A

head of pancreas and duodenum

33
Q

intestinal branches –>

A

jejunum and ileum

34
Q

ileocolic a. –>

A

distal ileum and cecum

35
Q

r. colic a –>

A

ascending colon

36
Q

middle colic a. –>

A

transverse colon

37
Q

marginal a –>

A

ANASTOMOSING CIRCLE around the COLON

38
Q

what gives rise to vasae rectae?

A

marginal a.

39
Q

what connects the SMA and IMA? (besides aorta)

A

marginal a.

40
Q

which branches of a. contribute to the marginal circle a.

A

ileocolic
r. colic
middle colic
l. colic (**from IMA)

41
Q

what are the three branches off of IMA?

A
  1. l. colic
  2. sigmoid a.
  3. superior rectal a.
42
Q

l. colic –>

A

descending colon

43
Q

sigmoid a. –>

A

sigmoid colon

44
Q

superior rectal aa –>

A

proximal rectum

45
Q

anastomose between superior pancreaticoduodenal a. and inferior pancreaticoduodenal a. connect which two structures?

A

celiac trunk (sup) and superior mesenteric a. (inf)

46
Q

what do the jejunal a. anastome with?

A

inferior pancreaticoduodenal a.

47
Q

what does the anastomosis of superior rectal a., middle rectal a. and inferior rectal a. connect?

A

IMA (sup.), internal iliac (middle) and internal pudendal (inf)

48
Q

blood from abdomen eventually returns to heart via IVC, but first it passes through

A

hepatic portal system

49
Q

pathway of venous return to hepatic portal system

A

inferior messenteric vein –> splenic vein

superior mesenteric vein + splenic vein = hepatic portal v.

50
Q

what is caput medusa? “snakes under skin”

A

non-functional umbilical veins fill with blood via umbilical anastomosis necessary due to liver enlargement

51
Q

what do parasympathetics generally do in the abdomen

A

promote peristalsis and secretions

52
Q

plexus of the foregut

A

celiac plexus T5-9

53
Q

plexus of the midgut

A

superior messenteric plexus T10-12

54
Q

plexus of hindgut

A

inferior messenteric plexus and hypogastric plexus (L1-2)(S2-4)

55
Q

sympathetics of foregut

A

T5-9 pass through greater splachnic n. and synapse in celliac ganglia
postsynaptics follow a. to target organ

56
Q

parasympathetic of foregut

A

pass through vagus, celiac plexus, synapse in ganglia in the gut plexuses
short post-synaptics

57
Q

sympathetics of midgut

A

t10-12 pass through lesser t10-11 or least t12 sphlancnic nerve and synapse in superior mesenteric ganglion
postsynaptics follow branches of SMA to organ

58
Q

parasympathetics of midgut

A

pass through vagus nerve, superior messenteric plexus, follow branches of SMA to organ, synapse in gangli in gut plexuses
shortpostynaptics

59
Q

sympathetics of hindgut

A

arise from L1-2, pass through lumbar splanchnic nerves, synapse in inferior mesenteric gangliion
postsynaptics follow branches of IMA to organ

60
Q

parasympathetics of hindgut

A

arise from S234 pass through sacral spinal nerves, pelivc splanchnic nerves, branches to colon pass through hypogastric plexus and inferior mesenteric plexus, follow branches of IMA to target, synapse in gut plexuses
short postsynaptics

Anatomy Exam 4 (11 decks)

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