Lecture 3: Contents of the Abdomen Flashcards
what are the layers of the intestinal wall form innermost to outermost
- lumen
- mucosa / intestinal glands
- muscularis mucosae
- submucosa
- circular muscle
- longitudnal muscle
- serous layer
what are the components of the small intestine
- duodenum
- jejunum
- leum
where does the oesophagus sit in relation to the trachea
oesophagus is posterior to the trachea
what are the orifices of the stomach
- cardial orifice, link to oesophagus
- pyloric orifice, link to small intestine
what are the curvatures of the stomach
- lesser curvature on the superior border
- greater curvature on the inferior border
where does the small intestine run from and to
from pylorus of stomach to ileocaecal junction
what is the arterial, venous, nervous and lymphatic supply of the foregut
artery: celiac
vein: portal
lymphatics: celiac nodes
symp: celiac ganglia
parasymp: vagus
what is the arterial, venous, nervous and lymphatic supply of the midgut
artery: superior mesenteric
vein: superior mesenteric
lymphatics: superior mesenteric nodes
symp: superior mesenteric ganglia
parasymp: vagus
what is the arterial, venous, nervous and lymphatic supply of the hindgut
artery: inferior mesenteric
vein: inferior mesenteric
lymphatic: inferior mesenteric nodes
symp: inferior mesenteric ganglia
parasymp: pelvic splanchnic
what does the superior mesenteric artery supply
distal part of the duodenum to proximal 2/3 of the transverse colon
what are the branches of the superior mesenteric artery
- jejunal and ileal branches
- middle colic
- right colic
- ileocaecal
what does the inferior mesenteric artery supply
distal 1/3 of transverse colon to half way down anal canal
what are the branches of the inferior mesenteric artery
- left colic
- sigmoid
- superior rectal
what effect do the sympathetic and parasympathetic systems have on digestive activity
sympathetic: reduce digestive activity
parasympathetic: increase digestive activity
