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Anatomy > Digestive System 2 > Flashcards

Digestive System 2 Flashcards

1
Q

Caudal portion of foregut

A

Esophagus
Stomach
Cranial part of duodenum

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2
Q

Stomach

A

Develops as a dilation of esophagus
Dorsal part- convex, greater curvature
Ventral part- concave, lesser curvature

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3
Q

What fixes stomach to the walls?

A

Mesentries

Named by what they attach to

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4
Q

Omentum

A 
Meshlike structure of vessels
Greater omentum-greater curvature
Lesser omentum-lesser curvature
In polygastric:
Greater omentum- rumen, reticulum, part of abomasum
Lesser omentum- omasum, part of abomasum
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5
Q

Liver

A

Develops from invagination of digestive tube
Hepatic diverticulum+hepatic bud= liver parenchyma
Systic bud= gall bladder, cystic duct
Ventral+dorsal pancreatic duct from duodenum=pancreas

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6
Q

Midgut

A 
Caudal portion of duodenum
Jejunum
Ilium
Caecum
Ascending colon
Transverse colon (1st half)
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7
Q

Congenital disorders

A 
Stenosis
Atresia (anal/rectal)
Urorectal fistula (rectovesical, rectovestibular, rectourethral)
Umbilical hernia
Megaesophagus
Megacolon
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8
Q

Esophagus

A

Muscular tube/duct
From cricoid cartilage to cardia
Cervical, thoracic, dorsal portions

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9
Q

Positioning of esophagus

A

Dorsally to trachea
At the entrance of thoracic cavity on the left side, trachea at right side
Then again dorsally to trachea

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10
Q

Innervation and vascularization of esophagus

A

Cervical portion- cranial and thyroid A (from common carotid)
Thoracic portion- bronchoesophageal A (from thor. Aorta)
Abdominal portion- left gastric A (from celiac A)
Vagus N, sympathetic trunk

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11
Q

Parietal peritoneum

A

Lining inner surface of abdominal walls

Looks shiny

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12
Q

Visceral peritoneum

A

Covering organs

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13
Q

Intraperitoneal organs

A

Fixed to dorsal surface of abd. Cavity

Covered by visceral peritoneum (ex intestines)

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14
Q

Retroperitoneal organs

A

Attached to roof of abd. Cavity

Not covered by visceral peritoneum (ex kidneys)

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15
Q

Function of stomach

A 
Mechanic
Exocrine secretion (HCl, IF, mucus, digestive enzymes)
Endocrine secretion (Gastrin, serotonin)
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16
Q

Types of stomach

A

Monogastric or polygastric

Simple or compound/complex

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17
Q

Monogastric stomach

A

Infrathoracic portion of abd. Cavity together w liver
Protected by costal arch
On the left side

18
Q

Simple stomach

A

Only glandular mucosa

19
Q

Compound/complex stomach

A

Glandular and tegumentary mucosa

20
Q

Parietal surface of stomach

A

Cranial

21
Q

Visceral surface of stomach

A

Caudal

22
Q

Orientation of stomach

A

Cardia to the left
Pylarus to the right
Lesser curvature dorsal
Greater curvature ventral

23
Q

Angular insisure/notch

A

Lowest part of lesser curvature

24
Q

Fundus

A

Highest part of stomach
On the left side
Often air filled

25
Q

Pylorus

A

Distal part of stomach
Connects to duodenum
Antrum= wider part
Pyloric canal= narrow, attached to duodenum

26
Q

Glandular mucosa

A

Shiny, smooth

27
Q

Tegumentary mucosa

A

Rubbery, whitish
Around cardia
Mechanical function

28
Q

Cardiac mucosa

A

Glandular

NOT in cardia, at body level

29
Q

Fundic mucosa

A

Always red

NOT in fundus

30
Q

Pyloric mucosa

A

Inside pyloric area

31
Q

Greater omentum

A

Meshlike sac covering intestines
Parietal and visceral parts
Attaches to greater curvature of stomach, to entrance of pelvic cavity

32
Q

Lesser omentum

A

Attaches to lesser curvature

Cranial to liver

33
Q

Branches of celiac artery

A

Left gastric artery
Hepatic artery
Splenic artery

34
Q

Right gastric artery

A

Branch of hepatic A

Together with left gastric A forms minor vascular circle of the stomach

35
Q

Minor vasculatory circle of stomach

A

Left gastric A (celiac)

Right gastric A (hepatic)

36
Q

Major vasculatory circle of stomach

A

Right gastrepiploic A (hepatic)

Left gastroepiploic A (splenic A)

37
Q

Polygastric stomach

A

Rumen
Reticulum
Omasum
Abomasum

38
Q

Rumen

A

Largest stomach
On left side
Non glandular

39
Q

Reticulum

A

Smallest
Cranial
Non glandular

40
Q

Omasum

A

Spherical
Right side
Non glandular

41
Q

Abomasum

A

“Real stomach”
Ventral
Glandular

Anatomy (17 decks)

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