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MED 2031 Wks 1-6 > Abdomen Viscera Anatomy > Flashcards

Abdomen Viscera Anatomy Flashcards

1
Q

oesophagus enters cardia of stomach at

A

T11

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2
Q

arterial supply of the oesophagus

– Upper 1/3

A

Inferior thryoid artery

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3
Q

arterial supply of the oesophagus

– Middle 1/3:

A

Descending aorta

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4
Q

arterial supply of the oesophagus

Lower 1/3

A

Lower 1/3: Left gastric artery

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5
Q

functional sphinctor example

A

Lower esophageal sphincter

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6
Q

Anatomical sphincter

A

Pyloric sphincter

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7
Q

first part of duo vs parts 2,3,4

A

intraperitoneal (has mesentery at duodenal cap)

all other parts (plus part of first part) is retroperitoneal

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8
Q

coeliac trunk level

A

T12

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9
Q

SMA level

A

L1

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10
Q

IMA level

A

L3

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11
Q

McBurney’s pnt

A

2/3 from umbilicus , and one third from ASIS

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12
Q

artery supply of large intestine

A 
Going clock wise, 
from SMA:
jejunal n ileal intestinal artery 
Iliocolic artery 
right colic
middle colic
from IMA:
accessory colic
left colic
sigmoid artery
last one is superior rectal artery
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13
Q

artery supply of large intestine

A 
Going clock wise, 
from SMA:
Iliocolic artery 
right colic
middle colic
from IMA:
accessory colic
left colic
sigmoid artery
last one is superior rectal artery
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14
Q

unpaired viscera with no mesentery

A 
duodenum (distal to duodenal cap)
pancreas (except for tail) and pancreatic ducts
bile duct
ascending colon
descending colon
rectum
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15
Q

unpaired viscera with mesentery

A 
abdominal part of oesophagus
stomach
duodenal cap
liver 
gall bladder 
spleen
tail of pancreas
jejunum ; ileum
caecum & appendix
transverse colon
sigmoid colon
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16
Q

layers of viscera

A

from back to front
paired viscera
unpaired viscera without mesentery
unpaired viscera with mesentery

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17
Q

abdominal aorta

A

from T12 to L4 where it splits into right and left common iliac artery

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18
Q

paired viscera

A

kidneys, ureters, adrenal glands

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19
Q

abdominal aorta

A

from T12 to L4 where it splits into right and left common iliac artery

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20
Q

foregut

A

from abdominal oesophagus to major duodenal papilla

Including biliary tract, liver, pancreas, spleen

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21
Q

pancreas blood supply

A

gets blood supply from both foregut and SMA

22
Q

midgut

A

from major duodenal papilla to 2/3 distal transverse colon

23
Q

hindgut

A

from 2/3 distal transverse colon to upper part/half way of anal canal

24
Q

oesophagus consrictions

A

pharynx
arch of aorta
left main bronchus
diaphragm

25
Q

oeso constriction:

1. where Pharynx joins oesophagus

A

C6. 15 cm away from teeth

26
Q

eoso constriction

2. where arch of aorta crosses it.

A

T4. 22 cm away from teeth

27
Q

oeso constriction

3. where left main broncus crosses it.

A

T5. 27 cm away from teeth

28
Q

oeso constriction

4. at diagphragm oesophageal aperture.

A

T10.

29
Q

oesophagus is behind?

A

trachea, aorta and left atrium of heart

30
Q

where does venous blood of the lower 1/3 of the esophagus drain to?

A

– Left gastric vein

and then into Portal vein

31
Q

– Functional sphincter

A

Lacks a localised thickening of muscle, so achieves contraction using external muscles around it

the structures around it can compress

32
Q

– Anatomical sphincter

A

Has a localised thickening of muscle

33
Q

stomach muscle layers

A

innermost-oblique
circular
longitudinal

34
Q

superior/first part of duodenum

A

“intraperitoneal”
L1
COMMON SITE FOR DUODENAL ULCER
attachment site for hepatodeuodenal ligament of lesser momentum

35
Q

descending/2nd part of duodenum

A

L2

where theres sphinctor of ODDi, MDP/ampulla of water

36
Q

inferior/3rd part of duodenum

A

L3

passes behind SMA

37
Q

ascending/4th part of duodenum

A

L2
(curves upwards from L3 to L2)
to join jejunum at DJ flexure

38
Q

arterial supply of first part and to MDP of second part

of duodenum

A

superior pancreaticoduodenal

39
Q

arterial supply of after MDP of second part, and third part and fourth part of duo

A

infeiror pancreaticoduodenal (from SMA)

40
Q

jejunum where

A

left upper quadrant

41
Q

ileum where

A

right lower quadrant

42
Q

jejunum features

A

thicker heavier walls
less mesenteric fat
many place cirularis

43
Q

ileum features

A

thinner lighter walls
more mesenteric fat
peyer’s patches

44
Q

jejunum vascularity

A

greater
(fewer arcades
longer vasa recta

45
Q

ileum vascularity

A

poorer vascularity
(more arcades
shorter vasa recta

46
Q

caecum -intraperitoneal or retro?

A

intraperitoneal

47
Q

appendix-intraperitoneal or retro?

A

intraperitoneal

48
Q

with mesentry

A

intraperitoneal

‘free’/mobile

49
Q

without mesentry

A

retroperionteal

‘fixed’

50
Q

poodle

A

SMV, IMV and splenic drain into portal vein

MED 2031 Wks 1-6 (16 decks)

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