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GI - Anatomy > Class 3 - Station 1 > Flashcards

Class 3 - Station 1 Flashcards

1
Q

length of the oesophagus

A

25cm

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2
Q

opening of oesophagus is at what vertebral level

A

T10

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3
Q

what else passes through the oesophageal opening

A

left gastric artery and vein
vagus trunks
lymphatics

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4
Q

lymphatic drainage of abdominal oesophagus

A

left gastric lymph nodes (coeliac)

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5
Q

two surfaces of the stomach

A

anterior and posterior

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6
Q

pyloric sphincter is smooth/skeletal muscle

A

smooth

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7
Q

what layer of stomach is the pyloric sphincter formed from

A

circular layer of muscularis externa

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8
Q

ligament that runs between right and left lobe of liver

A

falciform ligament

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9
Q

what does the falciform ligament form inferiorly

A

round ligament

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10
Q

which liver lobe, right or left, is smallest

A

left

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11
Q

congenital condition of pyloric sphincter

A

congenital pyloric stenosis

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12
Q

lesser omentum’s two attachments

A

lesser curvature of stomach and liver

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13
Q

greater omentum’s two attachments

A

transverse colon and greater curvature of stomach

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14
Q

what is the transverse mesocolon

A

peritoneal fold behind the transverse colon attaching to posterior wall

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15
Q

where are rugae most apparent

A

pylorus and greater curvature

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16
Q

sphincter controlling exit of food into duodenum

A

pyloric sphincter

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17
Q

3 arteries that supply the stomach

A

splenic, left gastric, right gastric

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18
Q

aortic branch of stomach supply

A

coeliac trunk

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19
Q

artery branches that run along the inferior of the stomach

A

left and right gastro-omental

20
Q

3 branches off the coeliac trunk

A

left gastric splenic and common hepatic

21
Q

right gastric artery branches off from the

A

common hepatic

22
Q

venous drainage from SMV/IMV to portal vein

A

IMV + splenic = splenic i guess

splenic + SMV = portal vein

23
Q

4 node groups of stomach

A

gastric, gastro-omental, pyloric and maybe pancreaticosplenic

24
Q

where do all the stomach lymph nodes drain

A

into the coeliac nodes (around the coeliac trunk)

25
Q

vagus nerve action on pylorus

A

open it

26
Q

vagus nerve action on gastric secretion

A

increases it

27
Q

foregut midgut boundary of small intestine

A

ampulla/bile duct opening

28
Q

which is the only part of the small small intestine to be retroperitoneal

A

2nd/3rd parts of duodenum

29
Q

most loopy part of small intestine

A

jejunum

30
Q

small intestine with longest vasa recta

A

jejunum

31
Q

thickest and most vascularised small intestine

A

jejunum

32
Q

small intestine with least fat

A

jejunum

33
Q

small intestine with large loops in arcade

A

jejunum

34
Q

autonomic innervation (para/symp) that reduces small intestine motiltiy and secretion (also a vasoconstrictor)

A

sympathetic

35
Q

retroperitoneal parts of the LI

A

ascending and descending

36
Q

end of SI connects to the ____

A

caecum

37
Q

most common position of the appendix

A

retrocaecal

38
Q

what and where is macburney’s point

A

base of the appendix

1/3 of the way along a line between right anterior superior iliac spine and umbilicus

39
Q

arterial supply of superior, middle and inferior rectum

A

sup: IMA –> superior rectal artery
mid: middle rectal artery
inf: inferior rectal artery

40
Q

venous drainage of the superior, middle and inferior rectum

A

superior, middle and inferior rectal veins

41
Q

peritonisation of the rectum

A

retro top 1/3
just anterior middle 1/3
past peritoneum bottom 1/3

42
Q

what are the middle and inferior rectal arteries branches off

A

the internal iliac artery

43
Q

true/false the middle and inferior rectal veins feed into portal system

A

false - they go into the IVC, already been really filtered

44
Q

true/false the superior rectal vein feeds into the portal system

A

true - drains into IMV

45
Q

structures of maintaining faecal continence

A

internal and external anal sphincters and pelvic floor muscles

46
Q

what changes at the pectinate (dentate) line

A

epithelium change

GI - Anatomy (4 decks)

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