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Anatomy > regional anatomy 2 > Flashcards

regional anatomy 2 Flashcards

1
Q

gut tube is derived from

A

splanchnopleure

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2
Q

epithelium of gut tube derived from

A

endoderm

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3
Q

connective tissue of gut tube derived from

A

lateral plate mesoderm

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4
Q

foregut

A

○ Oesophagus -> 1/2 duodenum

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5
Q

midgut

A

○ 1/2 duodenum -> 2/3 transverse colon

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6
Q
  • Hindgut
A

○ 2/3 transverse colon -> rectum

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7
Q

Whole gut tube connected to

A

posterior body wall

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8
Q

Whole gut tube connected to posterior body wall via

A

dorsal mesentery

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9
Q

artery supplying foregut

A

celiac trunk

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10
Q

artery supplying midgut

A

superior mesenteric artery

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11
Q

artery supplying handgun

A

inferior mesenteric artery

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12
Q

foregut organs

A

stomach, liver, gallbladder, pancreas, spleen, 1st half of duodenum

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13
Q

midgut organs

A 
2nd half of duodenum 
jejunum and ileum 
cecum 
ascending colon 
2/3 of transverse colon
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14
Q

hindgut organs

A

left half of transverse colon
descending colon
sigmoid colon
rectum

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15
Q

top right

A

right hypochondria

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16
Q

top middle

A

epigastric

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17
Q

top left

A

left hypochondria

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18
Q

right middle

A

right lumbar

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19
Q

centre

A

umbilical

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20
Q

left middle

A

left lumbar

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21
Q

bottom right

A

right inguinal

22
Q

bottom middle

A

hypogastric

23
Q

bottom left

A

left inguinal

24
Q

○ Visceral peritoneum

A

§ Covers organs derived from splanchnopleure

25
Q

○ Parietal peritoneum

A

§ Covers the body wall derived from somatopleure

26
Q

mesentery

A

○ Peritoneal reflections

○ A piece of tissue that suspends a structure, while holding important vessels within it

27
Q

ventral mesentery

A

○ Foregut is the only sections with ventral mesentery

28
Q

○ Mesentery AKAs

A 
§ Ligaments 
			§ Omenta
			§ Peritoneum 
			§ Mesogastriums 
			§ Mesocolons 
			§ Mesentery proper
29
Q

Foregut

A
  • Anterior body wall connected to posterior - only occurs in the foregut
30
Q
  • Ventral Mesogastrium
A

○ mesentery in front of the gastrium

31
Q
  • Dorsal mesogastrium
A

○ Everything connecting behind the stomach to the body wall

32
Q
  • 4 anatomical lobes of the liver
A

○ Left, right, caudate and quadrate

33
Q

left and right separated by

A

falciform ligament

34
Q

how the stomach allows for expansion

A

mucosal layer folds in rugae

35
Q

○ 3 smooth muscle layers in the externa

A
  1. Longitudinal
    2. Transverse
    3. Oblique
36
Q

2 curvatures of the stomach

A

greater and lesser

37
Q

3 sphincters of the stomach

A
  1. Cardiac: mouth end, fibrous, assisted by diaphragm

2. Pyloric: intestinal end, think smooth muscle

38
Q

3 segments of the small intestine

A

duodenum
jejunum
ileum

39
Q

stomach empties into

A

duodenum

40
Q

duodenum stuck to

A

posterior body wall

41
Q

ileum joins colon at

A

ileo-caecal junction

42
Q

Large intestine

A
  • Diameter is large, length is shorter than small intestine

- Starts at ileocecal junction

43
Q

Caecum

A

sac like component of the asceding colon

44
Q

segments of the large intestine

A

ascending, transverse, descending, sigmoid

45
Q

sacculations

A

Haustra

help move things long

46
Q

taenia coli

A

3 stripes of longitudinal smooth muscle

47
Q

3 paired glands

A

suprarenal glands
kidneys
gonads

48
Q

suprarenal glands

A

adrenals

lateral plate mesoderm and neural crest cells

49
Q

kidneys

A

develop in the pelvis and migrate up

50
Q

gonads

A

testes/ovaries

	- Develop in the upper abdomen migrate down 
	- Includes accessory reproductive glands 
	- Intermediate mesoderm

Anatomy (16 decks)

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