Class 3 Flashcards
How long is the oesophagus
25cm long
How long is the abdominal part of the oesophagus
1.25cm long
What is the vertebral level of the oesophagus
T10
List the structures that traverse the oesophageal opening
Oesophagus
Vagus nerves
L. Inferior phrenic nerve
L. gastric vein
Blood supply of oesophagus
Branches of left gastric artery
Venous drainage of oesophagus
Left gastric vein
Lymphatic drainage of oesophagus
left gastric LN
Name the 2 orifices of the stomach
Cardia and Pyloric
Name the 2 curvatures of the stomach
Greater and Lesser
Name the 2 surfaces of the stomach
Fundus and Body
What is the pyloric Sphincter
In between duodenum and pyloric canal
Whats the function of the pyloric sphincter
Controls discharge of the stomach contents through pyloric orifice
The pyloric sphincter is formed from the thickening of which layer of gut tube
Thickening of the circular layer of smooth muscle
Lesser momentum extends from
Lesser curvature to liver
Greater curvature extends from
Greater curvature to primal part of duodenum
What are the gastric folds/rugae formed from
Gastric mucosa
In which portions of the stomach are rugae most apparent
Pyloric part and Greater curvature
Which sphincter controls the discharge of food from the stomach to the duodenum
Pyloric sphincter
What structures are located in the stomach bed
Left dome of the diaphragm Left kidney Spleen Suprearenal gland Colon Pancreas Transverse meszocolon
Name the arterial branches that supply the stomach
Celiac trunk Hepatic artery R. gastric artery L. gastric artery Splenic artery Left gastro-omental artery Right gastro-mental artery
Name the venous drainage around the stomach
Portal vein
Splenic vein
Inferior mesenteric vein
Superior mesenteric vein
Name the lymphatic drainage around the stomach
Gastric Pancreaticosplenic Pancreatico-duodenal Mesenteric Gastro-omental
Where do the primary nodes of the stomach drain into
Coeliac lymph nodes
What effect does the vagal nerve have on the pylorus
Relaxation (inhibitory vagal fibres)
What effect does the vagal nerve have on gastric secretion
Stimulatory
What are the 3 parts of the small intestine
Duodenum, jejunum, and Ileum
What part of the small intestine receives the opening of the bile and pancreatic duct
Duodenum
Where is the foregut/midgut boundary of the small intestine
1st and 2nd part of the duodenum
How is the duodenum peritonised
Retroperitoneal
How is the jejunum peritonised
Intraperitoneal
How is the ileum peritonised
Intraperitoneal
What part of the small intestine is the shortest, widest and most fixed part
Duodenum
Describe the: Colour Wall Vascularity Vasa Recta Arcades Fat in mesentery Circular folds In the Jejunum
Deeper red 2-4 cm Greater Long After large loops Less Large, tall and closely packed