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GI 4th Year > Anatomy Of Stomach > Flashcards

Anatomy Of Stomach Flashcards

1
Q

Anatomical Position

Lies within superior aspect of the abdomen between

A

esophagus and duodenum

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2
Q

Stomach spans the region between the

A

cardiac and pyloric

orifices of GIT

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3
Q

Empty stomach is most commonly —-shaped

A

J-

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4
Q

Stomach with moderate gastric contents occupies

A

epigastric,
left hypochondriac and
umbilical regions.

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5
Q

the exact size, shape and position of the stomach

can vary from person to person and with

A

position and

respiration

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6
Q

Numerous factors influence both the form and the position

of the stomach, including the

A
  • Posture and build of the individual
  • Extent to which the stomach is filled
  • Position of the surrounding viscera
  • Tone of the abdominal wall and
  • Gastric musculature
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7
Q

Stomach types

A
  1. Sthenic (Normal)
  2. Hypersthenic (hypertonic) oblique
  3. Hyposthenic (hypotonic)vertical
  4. asthenic/atonic
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8
Q

Hypersthenic (hypertonic) seen in

A

obese persons

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9
Q

Hypersthenic (hypertonic)

Prone to

A

duodenal ulcers

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10
Q

Hyposthenic (hypotonic) prone to

A

gastric ulcers

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11
Q

Parts of the Stomach

A

Cardia
Fundus
Body
Pylorus

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12
Q

Cardia
• Surrounds——- of the stomach at——
level.

A

superior cardiac/esophageal orifice

T11

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13
Q

more fixed part of the stomach

A

Cardiac part

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14
Q

Fundus Is dome-shaped and projects superior and to the left of oesophageal
opening and cardia

A
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15
Q

Fundus lies in contact with

A

Left dome of diaphragm

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16
Q

Fundus lie above a horizontal line from

?to?

A

the cardiac notch to the greater curvature

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17
Q

Fundus often filled with

A

Gas (looked dark on X-ray )

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18
Q

Apex of fundus is approximately level with ?

A

Left 6th rib anteriorly (but varies )

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19
Q

Large central portion inf to the fundus

A

Body

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20
Q

Body extend from —- to —-

A

Fundus to angular incisure (incusure angularis)

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21
Q

angular incisure (incusure angularis)

A

Constant external notch at the lower end of lesser curvature

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22
Q

Describe the line drawn to define the lower end of body

A

Line from angular incisure to an inconstant indentation on greater curvature

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23
Q

Pylorus connect

A

Stomach to duedenum

24
Q

Pylorus divided into

A

pyloric antrum,
pyloric canal and
Pyloric sphincter, orifice

25
Q

Cardiac orifice

Is placed

A

40cm from incisor teeth

26
Q

Cardiac orifice

Is marked on the body at

A 
Left 6th (supine) /
7th (erect) costal cartilage
27
Q

Cardiac orifice
about 2.5-cmawayfromthe medianplaneat—-
level.

A

T11

28
Q

Pyloricorifice:

Is defined by

A

Thick pyloric sphincter

29
Q

Thick pyloric sphincter in cadaver

A

Green colored bile stain

30
Q

Diff btw cardiac orifice and pyloric

A

Pyloric orifice; more superficial, more mobile

31
Q

Pyloric orifice located at level

A

Transpyloric plane ( L1 posteriorly , tip of 9th costal cartilage ant )

32
Q

Lesse r curvature
(Fixed/mobile)

Forms shorter, concave,——- borderof stomach
between————

A

More fixed

medial

cardiac and pyloric orifices

33
Q

At the inferior part of lesser curvature is ———ndicates the junction of body and
pyloric region.

A

angular notch

(incisura angularis (IA), i

34
Q

Lesse r curvature

Arteries

A

Rightandleft gastricarteries

35
Q

Arterial anastomosis is minimum along the lesser

curvature, hence occlusion of these arteries cause

A

ischemia & ulceration

36
Q

Lesse r curvature

Contains the triad

A

Portal vein
Bile duct
Hepatic artery proper

37
Q

Greater curvature
More

Forms long, convex,—— border of stomach.

A

Movable

lateral

38
Q

Greater curvature

مافهمتStarts from cardiac notch lateral border of

A

abdominal esophagus and

the fundus)

39
Q

Greater curvature

Arches backward and passes inferiorly to the left.

A

T

40
Q

Greater curvature

Curves to the right as it continues

A

medially to reach thepyloric antrum

41
Q

Greater curvature arteries

A

Short gastric aa and Right and left gastroepiploic/omental aa

42
Q

Greater curvature Gives attachment to

A

gastrophrenic ligament,
gastrosplenicligament
and anterior 2 layers of greater omentum

43
Q

-Common hepatic

gives three branches:

A

1-right gastric
2-gastroduodenal
3-left gastric
epiphanic

44
Q

Stomach superior

A

Esophagus and left dome of diaphra

45
Q

Stomach Anterior

A 
Diaphragm, 
greater omentum, 
anterior abdominal wall, 
left lobe of liver, 
gall bladder
46
Q

Posterior

(Stomach Bed)

A 
Lesser sac (omental bursa), 
pancreas, 
left kidney,
left adrenal gland, 
spleen, 
splenic artery, 
transverse colon, 
transverse mesocolon and 
Left crus of the diaphragm
47
Q

Posterior

(Stomach Bed) structures canbeaffected by ——-of the stomach, especially——-

A

Post perforation

splenic artery

48
Q

Stomach inf and laterally

A

Transverse mesocolon

49
Q

When the stomach is empty and contracted, Anterior and posterior surfaces tend to face superiorly and
inferiorly, But as the stomach distends, they face progressively more anteriorly and posteriorly

A
50
Q

Peptic ulcer causes

A
  • Pancreaticpseudo-cystsand abscesses

- pancreatitis

51
Q

Pancreaticpseudo-cystsand abscesses inthe lessersacmaypushthe stomach
anteriorly (visible in lateral radiographs or CTs).

A
52
Q

Gastric Triangle

A

Anterior surfaceof thestomach whereitis in

direct contact with the anterior abdominal wall

53
Q

Gastric Triangle

Boundaries

A
54
Q
A

Fundus

55
Q
A

Fundus

GI 4th Year (11 decks)

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