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oesophagus
osephagus,stomach
41
Anatomy
Undergraduate 1
02/24/2014

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Term
What is Oesophagus?
Definition
A muscular tube continuous with the pharynx in the neck, and enters the thorax behind the trachea.
Term
what are the layers forming
Oesophagus wall are

to superficial)
Definition
Mucosa
Submucosa
Muscularis
Term
what are esophagus 4 points(construction/Obstruction)
Definition
1-C6 upper oesophageal
2-at the crossing of the Lt bronchus
3-at the level of the aortic arch,
4-T10 (pierces the diaphragm)
Term
esophagus is accompanied by what?
Definition
vagus nerve
Term
From where does oesophagus receives blood from??
(OBILI):
Definition
Oesophageal arteries
Bronchial arteries
Inferior thyroid
Lt gastric artery
Inferior phrenic artery
Term
What are the main parts of Stomach?
Definition
1-cardia
2-fundus
3-body
4-greater curvature
5-lesser curvature
6-pylorus
Term
A big sac composed of
Definition
Mucosal folds, called rugae
Term
Rugae are
Definition
more numerous in the pyloric antrum than in the fundus.
Term
The junction between the stomach and duodenum is a narrowed opening surrounded by a smooth muscle sphincter, called the
Definition
pyloric sphincter
Term
The lumen of the pyloric sphincter is called
Definition
pyloric canal
Term
The site of this orifice is marked by the presence of the
Definition
pre-pyloric vein (of Mayo).
Term
The structures that form the stomach bed
Definition
1-head,
2-body and
3- tail of the pancreas,
4- a portion of the left kidney,
5- the left suprarenal gland,
6-and the left crus of the diaphragm
Term
The wall of the stomach is made up of
Definition
3 muscular layers
Term
3 muscular layers
Definition
oblique fibres, circular fibres, and longitudinal fibres.
Term
The stomach receives blood from
Definition
Rt and Lt gastroepiploic arteries (along its greater curvature)
Term
The stomach receives blood from
Definition
Rt and Lt gastroepiploic arteries (along its greater curvature)
Term
The stomach receives blood from
Definition
Short gastric arteries
Term
The superior mesenteric artery and vein are usually found embedded in
Definition
extraperitoneal fat within the mesentery
Term
Superior mesenteric artery passes
Definition
anterior to the uncinate process of the pancreas,
Term
Superior mesenteric artery crosses
Definition
anterior to the horizontal part of the duodenum
Term
Superior mesenteric artery enters
Definition
the root at the mesentery.
Term
Hiatus hernia
1-site
2-cause
3-effect
Definition
1-oesophageal opening (hiatus) in the diaphragm
2-diaphragmatic defect
3-protrusion of stomach
Term
What do Superior mesenteric artery branches include? (IMIRI)
Definition
1-Inferior pancreaticoduodenal
2-Middle colic
3-Ileocolic
4-Right colic
5-Intestinal
Term
The intestinal arteries supply the jejunum & ileum by what?
Definition
a series of anastomotic arterial loops or arcades.
Term
The number of arterial arcades increases from where to where?
Definition
the jejunum to the ileum.
Term
How many levels of arterial arcades with long intestinal branches in the jejunum?
Definition
1 level
Term
How many levels of arterial arcades with short intestinal branches in the ileum?
Definition
4 to 5 levels
Term
Along with an increase in the number of arterial arcades, there is increased in what ?
Definition
increase in the amount of fat in the distal portion of the mesentery
Term
From where does the inferior mesenteric artery arise ?
Definition
it arises from the anterior aspect of the abdominal aorta at the level of L3)
Term
The marginal artery begins at what?
Definition
the ileocecal junction
Term
Where does the marginal artery end ?
Definition
on the rectum
Term
Length of the Duodenum
Definition
25 cm
Term
The Duodenum consists of 4 parts: ??
Definition
1-superior
2-descending
3-horizontal
4-ascending
Term
The ascending part is continuous with the jejunum and becomes____at _____?
Definition
1-intraperitoneal
2-the duodenojejunal flexure
Term
duodenojejunal flexure is located at the level of ?
Definition
L2 vertebra on the left side of the vertebral column
Term
The first part of the duodenum has a smooth surface with mucosal foldings.
True or False?
Definition
False
Term
The remaining portions of the duodenum have large circular mucosal folds on (Where)??
Definition
on their interior surface.
Term
the greater duodenal papilla located on
(Where)???
Definition
it is located on the longitudinal fold of the duodenum
Term
greater duodenal papilla formed by what???
Definition
the common bile duct.
Term
Where is the small opening for the hepatopancreatic ampulla (of Vater), found ???
Definition
the apex of the greater duodenal papilla
Term
Location of the opening of the accessory pancreatic duct (of Santorini)
Definition
Superior to the greater duodenal papilla
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