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Anatomy > Gut Developmental Peritoneum > Flashcards

Gut Developmental Peritoneum Flashcards

1
Q

everything in the abdominal cavity comes from the

A

embryonic gut tube

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2
Q

spleen

A

lymphoid organ

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3
Q

why do we talk about the spleen with the GI tract?

A

it gets its blood supply from the GI system

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4
Q

what sections is the gut tube divided into?

A

three segments, foregut, midgut, hindgut

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5
Q

innervation and blood supply to these gut sections is strongly

A

patterned

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6
Q

foregut from proximal to distal (6)

A 
esophagus
stomach & 1/2 duodenum
liver
gall bladder
pancreas
spleen
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7
Q

midgut from proximal to distal (6)

A 
1/2 duodenum 
jejunum
ileum
cecum & appendix 
ascending colon
2/3 transverse colon
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8
Q

handout from proximal to distal (4)

A

1/3 transverse colon
descending colon
sigmoid colon
rectum

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9
Q

each gut segment is supplied by an

A

unpaired branch of the abdominal aorta

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10
Q

foregut derivatives are supplied by branches of the

A

celiac artery

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11
Q

midgut derivatives are supplied by branches of the

A

superior mesenteric artery

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12
Q

midgut derivatives are supplied by branches of the

A

superior mesenteric artery

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13
Q

handout derivatives are supplied by branches of the

A

inferior mesenteric artery

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14
Q

celiac artery is the

A

most complicated artery

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15
Q

superior mesenteric artery is the

A

largest artery

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16
Q

inferior mesenteric artery is the

A

smallest artery

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17
Q

where are preganglionic cell bodies of the foregut found?

A

T5-T9

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18
Q

splanchnic nerve of the foregut

A

greater splanchnic nerve

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19
Q

prevertebral ganglion of the foregut

A

celiac

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20
Q

postganiglionic axons of the foregut follow

A

celiac a

21
Q

where are preganglionic cell bodies of the midgut?

A

T9-T12

22
Q

splanchnic nerve of the midgut

A

lesser/least splanchnic nerves

23
Q

pare-vertebral ganglion of the midgut

A

superior mesenteric/intermesenteric

24
Q

postganglionic axons of the midgut follow the

A

superior mesenteric a

25
Q

where are preganglionic cell bodies of the handout found?

A

T12-L2

26
Q

splanchnic nerve of the handout

A

least splanchnic/lumbar splanchnic nn

27
Q

pare-vertebral ganglion of the hindgut

A

inferior mesenteric/intermesenteric

28
Q

postganglionic axons of the inferior mesenteric a follow

A

inferior mesenteric a

29
Q

preganglionic cell bodies of the foregut and midgut

A

brainstem

30
Q

nerve of the foregut and midgut

A

vagus nerve (CN 10)

31
Q

location of ganglia of the foregut and midgut

A

organ walls

32
Q

preganglionic cell bodies of the hindgut

A

S2-S4

33
Q

nerve of the handout

A

pelvic splanchnic nerves

34
Q

location of ganglia of the hindgut

A

organ walls

35
Q

mesentery

A

double layer of peritoneum which suspends an abdominal organ

36
Q

mesentery connects

A

visceral peritoneum to parietal peritoneum

37
Q

what does the mesentery transmit

A

nerves and vessels to reach the abdominal organs

get there sandwiched between peritoneum

38
Q

is mesentery seen in adults?

A

no

39
Q

all of the digestive system is derived from the

A

gut tube

40
Q

initially, all of the gut is — and all of the organs are covered with — —

A

mesenteric

visceral peritoneum

41
Q

is a mesentery visceral, parietal, or both?

A

neither !

42
Q

a mesentery is a

A

bridge between visceral and parietal peritoneum

43
Q

organs with mesenteries also have

A

visceral peritoneum

44
Q

organs that are retroperitoneal do not have

A

mesenteries

45
Q

vessels and nerves supplying mesenteric organs are also

A

mesenteric

46
Q

vessels and nerves suppling retroperitoneal organs are also

A

retroperitoneal

47
Q

parts of the digestive system that are retroperitoneal are…

A

secondarily so

48
Q

secondarily so implies…

A

they once had mesenteries but lost them

49
Q

primarily retroperitoneal organs belong to some organ system other than the

A

digestive system and never have mesenteries at any point

Anatomy (29 decks)

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