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BCSE Microanatomy I > Final Exam - Digestive System (Part I) > Flashcards

Final Exam - Digestive System (Part I) Flashcards

1
Q

The oral cavity is formed by which structures?

A

lips, cheeks, palate, pharynx, tongue

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2
Q

The oral cavity is lined by what type of epithelium?

A

stratified squamous epithelium

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3
Q

Ameloblasts form __________.

A

enamel

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4
Q

Odontoblasts form __________.

A

dentin

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5
Q

Cementoblasts form __________.

A

cementum

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6
Q

What is indicated by ‘A’ in this section of the teeth?

A

Tooth pulp

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7
Q

What is indicated by ‘B’ in this section of the teeth?

A

odontoblasts

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8
Q

What is indicated by ‘C’ in this section of the teeth?

A

dentin

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9
Q

What is indicated by ‘D’ in this section of the teeth?

A

enamel

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10
Q

What is indicated by ‘E’ in this section of the teeth?

A

ameloblasts

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11
Q

What are the most predominant cell types found in the periodontal ligament?

A

fibroblasts and macrophages

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12
Q

What structure is indicated by ‘A’?

A

periodontal ligament

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13
Q

What structure is indicated by ‘B’?

A

dentin

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14
Q

What structure is indicated by ‘C’?

A

cementum

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15
Q

What structure is indicated by ‘D’?

A

alveolar bone

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16
Q

What structure is indicated by ‘E’?

A

epithelial rests

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17
Q

The tongue is lined by _________________ with specialized structures known as ___________.

A

The tongue is lined by keratinized stratified squamous epithelium with specialized structures known as papillae.

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18
Q

What is indicated by ‘A’ in this H&E section of the tongue?

A

filiform papilla

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19
Q

What is indicated by ‘B’ in this H&E section of the tongue?

A

epithelium

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20
Q

What is indicated by ‘C’ in this H&E section of the tongue?

A

adipose tissue

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21
Q

What is indicated by ‘D’ in this H&E section of the tongue?

A

lingual salivary glands

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22
Q

What is indicated by ‘E’ in this H&E section of the tongue?

A

skeletal muscle

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23
Q

Identify ‘1’ in this section of mucosa

A

lining epithelium

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24
Q

Identify ‘2’ in this section of mucosa

A

lamina propria

contains cells of the immune system, including lymphocytes, plasma cells, and macrophages

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25
Q

Identify ‘3’ in this section of mucosa

A

muscularis mucosae

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26
Q

What are we looking at in this section?

A

Submucosa

loose collagenous supporting tissue that contains vessels, nerves, & a specialized nerve plexus

27
Q

Identify the indicated layer.

A

Tunica Adventitia -or- Tunica Serosa

If the organ is surrounded by other tissues, this layer is called a tunica adventitia

If the organ is suspended in the body cavity, it is called a tunica serosa.

28
Q

Identify ‘A’ in this section of the canine esophagus.

A

epithelium mucosae

29
Q

Identify ‘B’ in this section of the canine esophagus.

A

lamina muscularis mucosae

30
Q

Identify ‘C’ in this section of the canine esophagus.

A

tunica mucosa

31
Q

Identify ‘D’ in this section of the canine esophagus.

A

mucous glands

32
Q

Identify ‘E’ in this section of the canine esophagus.

A

tela submucosa

33
Q

Identify ‘F’ in this section of the canine esophagus.

A

skeletal muscle in tunica muscularis

34
Q

Identify ‘A’ in this section of the reticulum.

A

stratified squamous epithelium

35
Q

Identify ‘B’ in this section of the reticulum.

A

lamina propria mucosae

36
Q

Identify ‘C’ in this section of the reticulum.

A

tunica muscularis

37
Q

cardiac glands empty into ___________

A

gastric pits

38
Q

Identify this image.

A

gastric pits

39
Q

Identify ‘A’ in this H&E section of the cardiac glands of the canine stomach.

A

mucous glands

40
Q

Identify ‘B’ in this H&E section of the cardiac glands of the canine stomach.

A

Lamina muscularis mucosae

41
Q

Identify ‘C’ in this H&E section of the cardiac glands of the canine stomach.

A

Tela submucosa

42
Q

Identify ‘A’ in this H&E section of the canine fundic stomach.

A

tunica mucosa

43
Q

Identify ‘B’ in this H&E section of the canine fundic stomach.

A

rugae

44
Q

Identify ‘C’ in this H&E section of the canine fundic stomach.

A

tela submucosa

45
Q

Identify ‘D’ in this H&E section of the canine fundic stomach.

A

tunica muscularis

46
Q

____________ line the gastric pit and secrete mucous and bicarbonate ions to protect the epithelium from digestion by gastric juice (contains HCl and pepsin) present in the stomach lumen

A

Surface mucous cells

47
Q

____________ are found dispersed between the parietal cells; secret mucus (thinner than the secreted by surface mucous cells)

A

Neck mucous cells

48
Q

____________ are round cells that contain distinct eosinophilic cytoplasm and round, prominent nucleus; secrete HCl and intrinsic factor, needed for absorption of vitamin B12

A

Parietal (oxyntic) cells

49
Q

Identify the cells indicated by the arrows in this H&E section of the canine stomach

A

Parietal (oxyntic) cells

50
Q

____________ are found near the base of the gastric glands; basophilic contain basally positioned nucleus and prominent basophilic apical cytoplasm filled with many ribosomes; secrete pepsinogen (converted to pepsin in the acidic environment of the stomach)

A

Chief (peptic, zymogenic) cells

51
Q

Identify the cells indicated by the arrows in this H&E section of the canine stomach

A

Chief cells

52
Q

____________ are located primarily in the neck region; difficult to identify in routine H&E sections; undergo mitosis in the gland

A

Stem cells

53
Q

____________ are difficult to distinguish by light microscopy; several types are present; some secrete serotonin, gastrin, glucagon, and somatostatin, among other hormones

A

Neuroendocrine cells

54
Q

Identify ‘A’

A

Pulp cavity (containing tooth pulp)

55
Q

Identify the cells indicated by ‘B’

A

odontoblasts

56
Q

Identify the cells indicated by ‘A’

What is produced by these cells?

A

Ameloblasts; enamel

57
Q

Identify the cells indicated by ‘D’

A

odontoblasts; dentin

58
Q

Identify ‘B’

What is it produced by?

A

enamel; ameloblasts

59
Q

Identify ‘C’

What is it produced by?

A

dentin

odontoblasts

60
Q

Peyers patches are only found in the _______

A

ileum

61
Q

Brunner’s glands are only found in the _________

A

duodenum

62
Q

What are the various layers of the esophagus from internal to external?

A
  • Mucosa (consisting of Epithelium, Lamina Propria, & Muscularis Mucosae)
  • Submucosa
  • Muscularis
  • Adventitia

Mark Eventually Let Martha Slap My Aardvark

63
Q

enteroendocrine cells produce ________

A

gastrin

BCSE Microanatomy I (18 decks)

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