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Abdomen Anatomy > Stomach & Intestines > Flashcards

Stomach & Intestines Flashcards

(52 cards)

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1
Q

Branches of Coeliac trunk

A

Go Straight Home

Lt Gastric artery
- esophageal branches

Splenic artery

  • Lt Gastroepiploic artery
  • short gastric arteries

Common Hepatic artery

  • Rt Gastric artery
  • Gastroduodenal artery > Rt GE artery + Superior pancreaticoduodenal artery + Supraduodenal artery
  • Proper hepatic artery > Lt Hepatic + Rt Hepatic ( Cystic artery htwat )
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2
Q

Blood supply of stomach

A

5

Lt Gastric artery ( Celiac )
Rt Gastric artery ( CHA )
Lt GE artery ( Splenic A )
Rt GR artery ( Gastroduodenal from CHA )
short Gastric arteries ( Splenic A )
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3
Q

Gastrosplenic ligament contains ?

A

Lt GE

Short gastric arteries

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4
Q

Linorenal ligament

A

Splenic artery

Tail of pancreas

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5
Q

which artery ruputures

in DU ?
in GU ?

A

DU - Gastroduodenal artery

GU - Splenic vessels

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6
Q

To gain access to Coeliac axis , which structure must be divided in surgery ?

A

Lesser omentum

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7
Q

Rectum

Length ?
Diameter ?
Extent ?

A

Length - 12-15cm

Diameter - 4cm ( in empty state )

Extent - S3 to tip of coccyx

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8
Q

Describe about folds of Rectum .

A

3 transverse rectal folds (or) valves of Houston

  • left
  • right
  • left
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9
Q

Peritoneal coverings of Rectum

A

Superior 1/3 - anterior & lateral surfaces

Middle 1/3 - anterior only

Lower 1/3 - no peritoneal covering

Posterior - extraperitoneal

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10
Q

Anterior relations of rectum

male / female

A

Male

  • rectovesicle pouch
  • base of bladder
  • seminal vesicle
  • prostate

Female

  • rectouterine pouch ( of Douglas )
  • posterior wall of Vagina
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11
Q

Posterior relations of rectum

A
  • Sacrum
  • Coccyx
  • lower sacral nerves
  • middle sacral artery
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12
Q

What separates rectum & prostate in male ?

A

Fascia of Denonvilliers

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13
Q

Lateral relations of rectum

A

Levator ani

Coccygeus

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14
Q

Fascias anterior & posterior of rectum

A

Anterior - Denovillier fascia ( bet rectum & prostate )

Posterior - Waldeyer fascia ( bet rectum & sacrum coccyx )

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15
Q

Arteries supplying rectum & anal canal ( and their origin )

A

Superior rectal A ( IMA ) - above pectinate line

Middle rectal A ( IIA ) - below pectinate line

Inferior rectal A ( internal budendal artery of IIA )

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16
Q

Ischianal fossa boundaries

A

Anterior - UG diaphragm

Posterior - Gluteus maximus

Lateral - Ischial tuberosity , Obturator externus

Medial - Levator ani , anal sphincter

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17
Q

Importance of pectinate line

A
  1. It forms the junction between endoderm & ectoderm .
  2. Above - supplied by ANS
    Below - by somatic nerves and is sensitive to pain
  3. Above - Veins drain into portal system
    Below - into system veins
  4. Above - lymphatics drain into aortic LN
    Below - drains into inguinal LN
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18
Q

Blood supply of Large Intestine

A

from SMA & IMA

SMA branches

Ileocolic > caecum & ascending colon
Right colic > ascending colon
Mid colic > transverse colon

IMA branches

Left colic > descending colon
Sigmoid branches > sigmoid colon
Superior rectal > rectum

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19
Q

Blood supply of appendix

A

Appendicular artery

from where it comes from Ileocolic artery

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20
Q

Blood supply of caecum

A

Ileocolic artery

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21
Q

Which structure can be identified at the point at which all the teania coli converge ?

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A

Appendix base

22
Q

Variable positions of the appendix

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A 
Retrocaecal ( 75% )
Pelvic             ( 20% )
Preileal
Postileal
Paracaecal
Subcaecal
23
Q

What structure should be divide if the retrocaecal appendix is difficult to access ?

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A

Lateral peritoneal attachments of the caecum

24
Q

Large intestinal diameter

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A

Caecum - 8 cm

Ascending - 6.5 cm
Descending - 6.5 cm

Transverse - 6 cm
Rectum - 6 cm

25
Abdominal aorta branches
Single / Visceral - Coeliac trunk - SMA - IMA Paired / Visceral - Suprarenal - Renal - Gonadal Paired / Parietal - Inferior Phrenic - Lumbar ( x4 ) - Common Iliac Single / Parietal - Middle sacral artery
26
How many unpaired visceral branches from Abdominal aorta ?
3
27
Levels of Coeliac - SMA - IMA -
Coeliac - T12 SMA - L1 IMA - L3
28
Left kidney hilum level
L1
29
Most inferior single aortic branch from abdominal aorta
Middle sacral artery
30
At which level aorta bifurcates
L4
31
Most inferior anterior aortic branch
IMA
32
Coeliac plexus in relation to Aorta
Anterolateral to the aorta
33
What aortic branch leave aorta approximately 1cm below coeliac axis
SMA
34
Foregut structure and blood supply
Oesophagus Stomach Duodenum ( supra-ampullary ) Bld supply - Coeliac
35
Midgut structure and blood supply
``` Duodenum ( infra-ampullary ) Jejunum Ileum Caecum Appendix Ascending colon Descending colon Transverse colon ( Right 2/3 ) ``` Bld supply - SMA
36
Hindgut structure and blood supply
``` Transverse colon ( Left 2/3 ) Descending colon Sigmoid colon Rectum Anus ( upper half ) ``` Bld supply - IMA
37
SMA branches
``` Inferior pancreaticoduodenal artery Jejunal & Ileal artery Ileocolic artery ( gives to Appendicular artery ) Right colic artery Middle colic artery ```
38
Embryological strcture appendix derived from
Midgut
39
Blood supply of transverse colon
Middle colic artery | from SMA
40
IMA branches
Google
41
AAA displaces left renal vein can affect which branch of aorta ?
SMA ( L1 ) same level as left renal vein ( L1 )
42
IVC branches
Right renal vein Right adrenal vein Right testicular vein Left renal vein ( recieves left adrenal v & left testicular v ) Left တွေဆိုရင်အားလုံးမဝင် Renal ကလွဲရင်
43
Bifurcation of IVC level
L5
44
How many functional valves does IVC have ?
0 (zero)
45
In AAA , a vessel lying transversely across the aorta | what is it ?
Left renal vein
46
Lymphatic drainage of Rectum
Superior to Dentate line - Mesorectal lymph nodes Internal iliac and then paraaortic nodes Inferior to Dentate line - Inguinal nodes
47
What are the important posterior relations that are at risk during a right hemicolectomy ?
Gondal vessels & Ureter
48
Branches of Abdominal aorta | and their levels
Single / Visceral - Coeliac plexus ( T12 ) - SMA ( L1 ) - IMA ( L3 ) Paired / Visceral - Suprarenal middle ( L1 ) - Renal ( L1-2 ) - Gonadal ( L2 ) Single / Parietal - middle sacral artery ( L4 ) Paired / Parietal - Inferior phrenic A ( T12 ) - Lumbar x4 ( L1-4 ) - Common Iliac ( L4 )
49
Openings of the diaphragm & structure passing through
I 8 - 10 EGGs - AT 12 IVC - T8 Esophagus - T10 Vagus Aorta - T12 Azygos vein Thoracic duct
50
Source of bleeding in the left paracolic gutter in mobilisation of left colon ?
Spleen
51
Blood supply of transverse colon
Middle colic artery | SMA
52
Gastroduodenal artery arise from
Common hepatic artery

Abdomen Anatomy (5 decks)

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