Gallbladder - Anatomy

Question 1

GB
ave capacity
obstructed vs unobstructed

Answer 1

30 to 50 ml
7 to 10 cm long

up to 300ml

Question 2

4 anatomic areas of gallbladder

Answer 2

1. fundus
2. corpus
3. infundibulum
4. neck

Question 3

contains most of the smooth ms of the gallbaldder

Answer 3

fundus

Question 4

contains most of elastic tissue of GB

Answer 4

corpus/body

Question 5

GB Infundibulum aka

Answer 5

hartmann’s pouch

Question 6

GB lining epithelium

Answer 6

tall columnar epithelium

Question 7

GB mucus secretion comes from…

Answer 7

tubuloalveolar glands in infundibulum and neck

Question 8

GB versus rest of GI tract histology

Answer 8

gb lacks muscularis mucosa and submucosa

Question 9

cystic artery is a branch of

Answer 9

right hepatic artery (>90%)

Question 10

area bound by the cystic duct, common hepatic duct, liver margin

Answer 10

hepatocystic triangle

Question 11

bound by CD, CHD, and cystic artery

Answer 11

triangle of calot

Question 12

GB Lymphatic nodes are found in the…

Answer 12

neck

Question 13

nerves of GB

Answer 13

comes from…
vagus nerve
sympathetic branches that pass through celiac plexus

Question 14

GB

preganglionic sympathetic level

Answer 14

T8 and T9

Question 15

choledochus

Answer 15

common bile duct

Question 16

common bile duct enters what portion of duodenum_________

through what muscular structure __________

Answer 16

2nd portion

sphincter of oddi

Question 17

hepatic duct with greater propensity for dilatation with distal obstruction

Answer 17

left > right

left is also longer

Question 18

variable mucosal folds in CD segment adjacent to GB neck

no valve fxn but makes cannulation difficult

Answer 18

spiral valves of Heister

Question 19

which portion of the CBD is retroduodenal

Answer 19

middle portion

upper third - supraduodenal
lower thirrd - pancreatic portion

Question 20

opening on a papilla of mucous membrane in duodenum about 10cm distal to pylorus

Answer 20

ampulla of vater

aka
hepatopancreatic ampulla/duct

Question 21

controls the flow of bile and sometimes pancreatic juice

Answer 21

sphincter of oddi

Question 22

arterial supply to bile ducts

Answer 22

gastroduodenal a.
right hepatic a

3oclock and 9oclock

Question 23

may drain directly from liver into body of gb

Answer 23

small ducts of luschka

if not detected during cholecystectomy —> biloma