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3. HLTH 213 > Thorax: Abdominal Viscera I (GIT) > Flashcards

Thorax: Abdominal Viscera I (GIT) Flashcards

1
Q

primitive gut tube consists of:

A
  • foregut
  • midgut
  • hindgut
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2
Q

what contributes to arrangement of abdominal organs:

A
  • intensive growth

- rotation of gut

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3
Q

foregut: adult derivatives (7)

A
  • distal esophagus
  • stomach
  • proximal part of duodenum
  • liver
  • gallbladder
  • ant part of pancreas
  • spleen
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4
Q

foregut: blood supply

A

celiac trunk

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5
Q

foregut: stomach and spleen movement

A

clockwise to L

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6
Q

foregut: duodenum and dorsal pancreas movement

A

to the R fuse to body wall

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7
Q

foregut: omental bursa

A
  • aka lesser sack

- abdominal cavity behind stomach

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8
Q

midgut: adult derivatives (5)

A
  • distal part of duodenum
  • jejunum
  • ileum
  • ascending colon
  • proximal 2/3 of transverse colon
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9
Q

midgut: blood supply

A

superior mesenteric aa.

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10
Q

hindgut: adult derivatives (4)

A
  • distal 1/3 of transverse colon
  • descending colon
  • sigmoid colon
  • superior part of rectum
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11
Q

hindgut: blood supply

A

inferior mesenteric aa.

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12
Q

abdominal esophagus: orginates

A

T10

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13
Q

abdominal esophagus: passes where and what structures

A

through muscular part of diaphragm

- ant/ post vagal trunks

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14
Q

abdominal esophagus: blood supply

A
  • L inferior phrenic aa.

- L gastric aa.

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15
Q

eg. hiatus hernias

A
  • sliding

- paraesophageal

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16
Q

stomach: muscularis externa layers (deep to superficial)

A
  • longitudinal
  • circular
  • oblique
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17
Q

stomach: list parts

A
  • cardia
  • fundus
  • body
  • pyloric antrum
  • pyloric canal
  • pyloric sphincter
  • pylorus
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18
Q

stomach: gastic glands produce

A
  • HCl
  • intrinsic factor
  • pepsinogen
  • enteric hormones
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19
Q

stomach: list blood supply (9)

A
  • L and R gastric aa.
  • splenic aa.
  • hepatic aa. proper
  • L and R gastro-omental aa (gastro-epiploic)
  • ant/ post superior pancreaticoduodenal aa.
  • gastroduodenal aa.
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20
Q

gastric visceral referred pain:

A

in epigastric region:

- splanchnic nn. to level T7 and T8 spinal cord segments

21
Q

duodenum: features

A
  • C shaped
  • head curves around pancreas
  • partially retroperitoneal (1st part duodenum has mesentery)
22
Q

duodenum: which lig suspends duodenum where

A
  • ligament of Treitz

- at duodenojejunal junction

23
Q

duodenum: list parts

A
  • superior/ 1st
  • descending/ 2nd
  • horizontal/ 3rd
  • ascending/ 4th
24
Q

duodenum: superior lies

A
  • 1st

- anterolateral to L1

25
Q

duodenum: descending lies

A
  • 2nd

- R of L1 - L3

26
Q

duodenum: horizontal lies

A
  • 3rd

- crosses IVC, aorta and L3

27
Q

duodenum: ascending

A
  • 4th

- sup to L2

28
Q

duodenum: blood supply and which parts

A

celiac trunk
- proximal to entry of bile duct

SMA
- distal to entry of bile duct

29
Q

jejunum: location

A

L upper quadrant

30
Q

ileum: location

A

R lower quadrant

31
Q

jejunum: features

A
  • long vasa recta
  • arcades: few large loops
  • less fat in mesentery
32
Q

ileum: features

A
  • short vasa recta
  • arcades: many short loops
  • more fat in mesentery
33
Q

large intestine: anatomical features

A
  • tenia coli
  • hausta
  • omental appendices
34
Q

large intestine: anatomical parts

A
  • cecum and appendix
  • ascending colon
  • transverse colon
  • descending colon
  • sigmoid colon
  • rectum
35
Q

cecum: features

A
  • blind intestinal pouch
  • inf to ileocecal junction in R iliac fossa
  • intraperitoneal organ
36
Q

cecum: ileocecal valve

A
  • terminal ileum enters obliquely into cecum and invaginates forming valve
37
Q

appendix: features

A
  • blind ended tube
  • suspended to terminal ileum by mesoappendix
  • large aggregations of lymphoid tissue in wall
38
Q

McBurney’s point

A
  • base of appendix lies at this anatomical landmark

- umbilicus to anterior superior iliac spine (ASIS): 1/3 way up

39
Q

what type of nerve fibres from appendix? and accompany what nerves to T10 segment

A
  • afferent nerve fibres

- sympathetic nerves

40
Q

colon: retro/ intraperitoneal organs

A
  • ascending/ descending= retro

- transverse/ sigmoid= intra

41
Q

colon: name flexures

A
  • R colic flexure (hepatic)

- L colic flexure (splenic)

42
Q

colon: hepatic flexure location

A
  • inf to R lobe of liver
43
Q

colon: splenic flexure location

A
  • more superior than RCF

- ant to L kidney

44
Q

colon: which flexure is attached to the diaphragm by what?

A
  • L colic flexure

- phrenicocolic lig

45
Q

colon: main blood supply

A
  • superior mesenteric aa

- inferior mesenteric aa

46
Q

colon: lymph drainage

A
  • epicolic nodes
  • paracolic nodes
  • intermediate nodes
  • principal nodes
47
Q

colon: SMA branches

A
  • iliocolic
  • R colic
  • middle colic
48
Q

colon: inf mesenteric artery branches

A
  • L colic
  • sigmoid
  • superior rectal

3. HLTH 213 (22 decks)

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