Class 3 Flashcards
How long is the oesophagus?
25cm
What vertebral level is the oesophageal hiatus?
T10
Where are the three constrictions of the oesophagus located?
Cervical, Thoracic, Diaphragmatic
List the structures that go through the oesophageal opening in the diaphragm.
Oesophagus
oesopheageal branch of left gastric artery
vagus
left inferior phrenic vessels
What is the blood supply of the abdominal part of the oesophagus?
Branches of left gastric artery
What is the venous drainage of the abdominal part of the oesophagus?
Left gastric veins
What is the lymphatic drainage of the abdominal part of the oesophagus?
Left gastric lymph nodes
Stomach: name 2 orifices.
Cardial
Pyloric
Stomach: name 2 curvatures.
Greater curvature
Lesser curvature
Stomach: name 2 surfaces.
Anterior
Posterior
Identify the different parts of the stomach:
Cardia
Body
Fundus
Pylorus
See image
What is the pyloric sphincter?
Ring of smooth muscle controlling discharge of stomach contents into duodenum
Clinical aspects of pyloric sphincter: some children are born with ___________ ____________ ___________, presenting as _____________.
congenital pyloric stenosis
presents with vomiting.
What are the gatric folds/rugae of the stomach formed from?
Mucosal folds
In what 2 portions of the stomach are they most apparent?
Pylorus
Greater Curvature
Describe the arterial supply to the stomach.
Lesser curvature
Left gastric artery (from coeliac trunk)
Right gastric artery (from common hepatic)
Greater Curvature
Left gastro-omental artery (from splenic artery)
Right gastro-omental artery (from common hepatic)
Name the 4 groups of lymph nodes that drain the stomach.
Gastric
Pyloric
Pancreatosplenic
Pancreaticoduodenal
The 4 primary lymph nodes that drain the stomach drain into which group of lymph nodes?
Coeliac lymph nodes
What nerve is key to controlling gastric motility?
Vagus
What is the effect of increased vagal stimulation on the pyloric sphincter?
Relaxes and opens
What is the effect of increased vagal stimulation on gastric secretions?
Increased secretions
Name 3 parts of the small intestine
Duodenum, Jejunum, Illeum