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Y2-GI > Anatomy of the gut tube > Flashcards

Anatomy of the gut tube Flashcards

1
Q

The perimodial gut tube develops during which week?

A

4th week

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2
Q

Embryologically, from which lining the perimodial gut tube is developed?

A

From the endoderm

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3
Q

The perimodial gut tube is devided into three?

A

1-Foregut
2-Midgut
3-Hindgut

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4
Q

What are the forgut structures?

A

1-Pharynx
2-Lower respirtory system
3-Esophagus
4-Stomach
5-Duodeunum-proximal to the opening of the bile duct
6-Liver
7-biliary apparatus( hepatic ducts, gallbladder, and bile duct and Pancreas)

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5
Q

Which artery and vein suppy and driane the foregut?

A

The Celiac trunk and its branchs. And the Celiac Vein

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6
Q

Which lymphatic drainage for the foregut?

A

celiac group of lymph nodes

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7
Q

foregut pain is located in…/

A

upper part of abdemon pain

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8
Q

midgut pain is located in..?

A

middle part of the abdemon

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9
Q

hindgut pain is located in ….?

A

lower part of the abdemon

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10
Q

What the three constrictions of the Esophagus?

A

1- Cervical (pharyngo-esophageal) constriction.

2-Thoracic (broncho-aortic) constriction.

3-Diaphragmatic constriction. It passes through the oesophageal hiatus of the daiphragm.

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11
Q

Wha are the parts of the stomach?

A
  1. Cardia
  2. fundus
  3. body
  4. pyloric part
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12
Q

What are the curvatures othe Stomach?

A

Lesser and Greater carvatures

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13
Q

What is the function of the pyloric sphincter?

A

Control discharge of stomach contents into the duodenum

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14
Q

some defect/ pathology of the pyloric sphincter?

A
  1. Children are born with congenital pyloric stenosis
  2. Pyloric stenosis caused by ulcers.
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15
Q

What are the structures that form the stomach bed?

A
  1. Diaphragm
  2. Spleen
  3. Splenic artery
  4. pancreas
  5. transverse mesocolon and colon
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16
Q

Where does the lesser sac or ommental bursae is found? and what will happen if there is infection of the stomach bed structures?

A

behind the stomach.

you get collection in the lasser sac or ommental bursae.

17
Q

Biliary ducts carry bile from what organ to what

A

Liver to gallbladder

18
Q

Where Bile is produced?

A

Bile is produced in the liver and stored and concentrated in the gall bladder

19
Q

How many ml of bile can the Gallbladder store?

A

50ml

20
Q

Which artery supply the Gallbladder? and why is it important?

A

the cystic artery—> which is a branch of the right hepatic artery. Important during surgical removal of the Gallbladder.

21
Q

Which triangle the cystic artery lies?

A

Cystic artery lies in the Triangle of calot (Triangle between common hepatic duct, cystic duct and visceral surface of liver)

22
Q

true of false: the pancreas is both exocrine and endocrine gland?

A

true

23
Q

Retroperitoneal organs?

A

SAD-PUCKER

24
Q

Accessory organs of GI tract?

A
  1. Liver
  2. Gallbladder
    1. Pancreas
25
Q

Which plane does the pancreas lies on, and vertebral levels?

A

Lies along the transpyloric plane(L1/L2)

26
Q

Mention the parts of the pancreas?

A
  1. Head
  2. neck
  3. body
  4. and tail
27
Q

important to remember

where does the portal vein is formed?

A

•Portal vein is formed behind the neck of the pancreas

28
Q

What are the arteries that branches of the abdominal aorta and supply the GI?

A
  1. Celiac trunk- T12
  2. superior mesenteric artery -L1
  3. inferior mesenteric artery - L3
29
Q

What are the main branches of the Celiac trunk?

A

1) Left gastric artery – runs along the lesser curvature of the stomach
2) Hepatic artery – supply liver and gallbladder
3) Splenic artery – Runs retroperitoneally along the superior (upper) margin of the pancreas

30
Q

What are the structures of the midgut?

A
  1. distal duodenum
  2. jejunum
  3. Cecum
  4. appendix
  5. ascending colon
  6. the right two third of the transverse colon
31
Q

What is Duodenal Ulcer?

A

Duodenal Ulcer - inflammatory erosions of the duodenal wall (mostly 1st part)

32
Q

What is the difference between jejunum and ileum in the living body?

A
33
Q

Blood supply to the midgut? Origin, relations, main branches and other branches?

A

Superior mesenteric artery

Origin: Branch of abdominal aorta (L1)

Relations: Crossed anteriorly by Splenic vein and neck of pancreas

Main branches: Jejunal and ileal arteries

Other branches: Middle colic, right colic and iliocoloic

34
Q

What are the Hindgut Structures?

A
  1. Left one-third of transverse colon
  2. descending colon, sigmoid colon
  3. rectum
  4. and upper part of anal canal
  5. Epithelium of the urinary bladder and most of the urethra
35
Q

Blood supply to the hindgut?

A

Inferior Mesenteric artery – Artery of hindgut

Y2-GI (8 decks)

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