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Anatomy > Abdomen > Flashcards

Abdomen Flashcards

0
Q

What is Gerotas fascia?

A

Layer of connective tissue that encapsulates kidney and adrenal gland

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1
Q

Where do the renal arteries lie?

A

Behind the renal vein

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2
Q

What facial layer is behind ascending colon?

A

Gerotas fascia

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3
Q

What is the superficial fatty layer abdomen?

A

Campers facia

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4
Q

What is the deep membranous layer?

A

Scarpas facia

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5
Q

Boundaries of inguinal canal?

A
  1. Anterior wall - external oblique aponeurosis
  2. Roof - internal oblique, transverse abdominus
  3. Posterior wall - transversalis fascia and conjoint tendon, parietal peritoneum
  4. Floor - inguinal ligament
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6
Q

What is calots triangle bound by?

A 
Lies between 
1. Inferior border of liver
2. Cystic duct
3. Common hepatic duct
Usually contains cystic artery
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7
Q

What is another name for the left colic flexure?

A

Left splenic flexure

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8
Q

What is the left colic flexure?

A

It is the part where the colon takes a sharp downward turn

The point where the transverse colon ends and the descending colon begins

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9
Q

What is the ligament of treitz?

A

The suspensory ligament of the duodenum

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10
Q

What is the ligament of treitz derived from?

A

Right crux of the diaphragm

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11
Q

What does the ligament of trietz do?

A

It suspends the 4th part of the duodenum from the posterior abdominal wall

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12
Q

Where is the midpoint of the inguinal ligament?

A

Half way between ASIS and pubic tubercle

Surface landmark for deep inguinal ring, lies lateral to mid inguinal point

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13
Q

What is the mid inguinal point?

A

Half way between the ASIS and symphysis pubis

Surface mark for femoral pulse

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14
Q

Blood supply to the sigmoid colon?

A

IMA - L3

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15
Q

Visible landmark for the superficial inguinal ring

A

Intercrural fibres that run at right angles across external oblique aponeurosis

16
Q

What does the IMV drain

A

Abdominal viscera originating from the embryological hind gut

17
Q

Where does the IVC begin?

A

L5

Runs on the right side of the aorta

18
Q

At which level does the IVC piece diaphragm

A

T8

19
Q

Borders of epiploic foramen

A

Anterior - free border of lesser omentum - hepatoduodenal ligament
Posterior - peritoneum covering IVC
Superior - peritoneum covering caudate love of liver
Inferior - peritoneum covering commencement of duodenum and hepatic artery
Left lateral - gastrosplenic ligament and splenorenal ligament

20
Q

Major openings in the diaphragm

A
  1. T8 - inferior vena cava and branches of the right phrenic nerve
  2. T10- oesophagus
  3. T12- aorta, azygous vein and thoracic duct
21
Q

Deep inguinal ring

A

1.5 cm above the midpoint of the inguinal ligament

22
Q

Lesser omentum

A
  1. Right and left gastric arteries
  2. The Free edge of the lesser omentum is attached to the first 2 cm of the first part of the duodenum below and the fissure of the ligamentum venosum above
  3. The common hepatic duct is joined by the cystic duct to form the common bile duct in the free edge of the lesser omentum
23
Q

The descending part of the duodenum

A
  1. Second part
  2. Descends vertically
  3. Directly anterior to the Hilum of right kidney
  4. Common bile duct drains into the descending duodenum
24
Q

Mesentery of small bowel

A
  1. Veins in the mesenteries are all tributaries of the portal system
  2. Root of the small-bowel mesentery extends from a point to the left of the L2 vertebra at the duodeno- jejunal junction down to the right sacroiliac joint
25
Q

Superior mesenteric artery

A

Supplies the midgut

1. Large bowel as far as the distal transverse colon

26
Q

Transpyloric plane

A
  1. Inferior border of L1
  2. Pylorus of stomach
  3. Anterior parts of the 9th costal cartilages
  4. Duodenojejunal junction
  5. Head, neck and body of pancreas
  6. Renal hila
27
Q

Posterior relations of 1st part of duodenum

A

Portal vein
Common bile duct
Gastroduodenal artery ( IVC behind this)

28
Q

3rd part of dueodenum

A

Crosses abdominal aorta

Superior mesenteric vessels anterior to D3

Anatomy (28 decks)

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