Neurovascular anatomy Flashcards
(1105 cards)
oesophagus arterial supply
upper third - inferior thyroid artery
middle third - oesophageal branch of descending aorta
lower third - left gastric artery
oesophagus venous drainage
upper third - inferior thyroid
middle third - azygous
lower third - left gastric (portal) and azygous (systemic)
oesophagus LN
upper third - deep cervical
middle third - mediastinal
lower third - left gastric + celiac
oesophagus innervation
upper half - recurrent laryngeal
lower half - oesophageal plexus
stomach arterial supply
generally:
right gastric - branch of proper hepatic artery - branch of CHA
left gastric - branch of coeliac trunk
right gastro-omental - branch of gastroduodenal - branch of CHA
left gastro omental - branch of splenic - branch of coeliac trunk
branches of CHA
gastroduodenal artery
proper hepatic artery
arterial supply of lesser curvature
right and left gastric artery
arterial supply of greater curvature
right and left gastro-omental
short gastric arteries
stomach innervation
parasympathetic
sympathetic t6-t9
stomach lymphatic drainage
gastric LNs
gastro-omental LNs
L.O.S in rolling hiatus hernia
in place
requires surgery more than sliding HH
duodenum arterial supply
proximal to major duodenal papilla - gastroduodenal artery (celiac branch)
distal to major duodenal papilla - inferior pancreaticoduodenal artery (SMA)
duodenum lymph drainage
pancreaticoduodenal and superior mesenteric LNs
jejunoileal arterial supply
supermesenteric arteries - vasa recta
jejunoileal venous drainage
SMV
caecum:
arterial supply
venous drainage
innervation
LNs
A - ileocolic artery
V - ileocolic vein
N - superior mesenteric plexus
LNs - ileocolic LNs
jejunoileal lymph drainage
SM LNs
ascending colon:
arterial supply
venous drainage
innervation
LNs
A - ileocolic + right colic arteries
V - ileocolic + right colic arteries
lymph nodes: superior mesenteric LNs
N: superior mesenteric plexus
appendix:
arterial supply
venous drainage
innervation
LNs
A - appendicular artery
V - appendicular vein
N - superior mesenteric plexus
LNs - ileocolic LNs
ascending colon innervation
superior mesenteric plexus
midgut innervation
superior mesenteric plexus
hindgut innervation
inferior mesenteric plexus
inferior mesenteric plexus innervation
parasympathetic = pelvic splanchnic nerves
sympathetic = lumbar splanchnic nerves
transverse colon:
arterial supply
venous drainage
innervation
LNs
arterial supply: right, middle and left colic arteries
venous drainage: middle colic vein
innervation: proximal 2/3 = SMP, distal 1/3 = IMP
LNs: superior mesenteric