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Anatomy 1410 > Digestive System Topic 15 > Flashcards

Digestive System Topic 15 Flashcards

1
Q

What are the four steps of the DS?

A
  • Ingestion
  • Digestion
  • Absorption
  • Defecation
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2
Q

4 basic layers of the GI tract

A
  • Mucosa
  • Submucosa
  • Muscularis externa
  • Serosa
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3
Q

What part of the tooth is above the gum?

A

Crown

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4
Q

Dentin is which part of the tooth?

A

Majority of the tooth

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5
Q

Which part of the tooth is acellular?

A

enamel

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6
Q

What is a root of the tooth composed of?

A

Dentin with cementum overlay

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7
Q

What attaches the root to the bone?

A

periodontal ligaments

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8
Q

What does the pulp cavity contain?

A
  • CT
  • Blood/lymph vessels
  • Nerves
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9
Q

Which part of the digestive system is the first to have all 4 histological layers?

A

Esophagus

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10
Q

What cells secrete HCl?

A

Parietal cells

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11
Q

What cells secrete pepsinogen?

A

chief cells

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12
Q

What cells secrete mucus?

A

Goblet cells

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13
Q

What cells secrete gastrin?

A

G cells

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14
Q

What are the folds of the mucosa and submucosa are called?

A

Rugae

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15
Q

What are the 3 layers around the stomach to help digestion?

A
  • Inner oblique
  • Middle circular
  • outer longitudial
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16
Q

What are the 3 sections in the small intestine?

A
  • Duodenium
  • Jejunum
  • Ileum
17
Q

Hoe does the small intestine protect from bacteria?

A

Peyer’s patch

18
Q

What does the lacteal do?

A

lymph capillaries that absorb fats

19
Q

What is between the villi in the SI?

A

Intestinal crypts

20
Q

What cells secrete digestive enzymes?

A

Acinar cells

21
Q

What cells secrete alkaline fluid?

A

Duct cells

22
Q

What are the 4 lobes of the liver?

A
  • Right
  • Left
  • Caudate
  • Quadrate
23
Q

How does the liver digest fat?

A

produces bile

24
Q

What does the gallbladder do in between meals?

A
  • Store and concerntrate the bile

- Hormones activate the release of bile for the digestion of fat

25
Q

What are the parts of large intestine?

A
  • Caecum
  • Appendix
  • Colon
  • Rectum
  • Anus
26
Q

If the taeniae coli are tighten what is created?

A

Haustra- fermentation chambers

27
Q

What are the lymph order in the digestive system?

A
  • Lacteals
  • Lymph connecting vessels
  • Cisterna chyli
  • Thoracic duct
  • Left sublavian vein
28
Q

Where is the visceral peritoneum located?

A

against organ wall

29
Q

where is the parietal peritoneum ?

A

against abdomibal cavity wall

30
Q

What does the peritoneal cavity filled with?

A

serous fluid

31
Q

What part suspends the small intestine off the wall?

A

Mesentery

Anatomy 1410 (17 decks)

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