Lecture #25-27 Digestive System Flashcards Preview

FTM Anatomy Group > Lecture #25-27 Digestive System > Flashcards

Flashcards in Lecture #25-27 Digestive System Deck (73):
1

What part of the mucosa would you find mucosa associated lymphoid tissue (MALT)?

 

Lamina Propria

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2

Where is the meissner’s plexus?

 

In the submucosa along with glands and blood and lymph vessels

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Where would you find the Myenteric / Auerbach’s plexus?

 

In the muscularis externa.

Function = peristalsis

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What comprises the PERITONEUM?

 

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25

What are the 4 parts of the somach? 

What are the 4 parts of the somach? 

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26

What type of epithelium do you find in the stomach? 

Simple columnar epithelium with mucos cells invaginated to form gastric pits and glands within the lamina propria

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What type of cells are found in the epithelium of the stomach? 

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28

Which cell screte hydrochloric acid?

A.  Parietal Cells

B.  Chief Cells

C.  G Cells

D.  Mucus Cells

 

A.  Parietal Cells

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46

Which cell scretes secrete gastrin?

A.  Parietal Cells

B.  Chief Cells

C.  G Cells

D.  Mucus Cells

C.  G Cells

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47

Which cell screte gastric lipase?

A.  Parietal Cells

B.  Chief Cells

C.  G Cells

D.  Mucus Cells

B.  Chief Cells

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48

Which cell intrinsic factor?

A.  Parietal Cells

B.  Chief Cells

C.  G Cells

D.  Mucus Cells

B.  Chief Cells

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49

Which cell cecrete pepsinogen that activate pepsin, the activated form, that breaks down proteins into peptides?

A.  Parietal Cells

B.  Chief Cells

C.  G Cells

D.  Mucus Cells

B.  Chief Cells

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50

The small intestins secrete all of the following except?

A.  secretins

B.  gastrin

C.  CCK

D.  glucose-dependent insulinotropic peptide

E. intrinsic factor

The stomach secrets gastin and intrinsic factor

The small intestiin sercetes: secretins, CCK, glucose-dependent insulinotropic peptide 

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The small intestines is both retro- and intra-peritoneal. (T/F)

true

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What types of cells will you find in the duodenum mucosa layer of the epithelium? 

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Identify.

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54

Where is this tissue found? 

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in the duodenum

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Where would you find this tissue? 

What are distinguishing characteristics? 

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long, branched circular folds, no submucosal glands

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56

Which part of the duodenum is intraperitoneal? 

The first part is intraperitoneal and the rest is retroperitoneal 

57

Where are peyer's patches found? 

in the ileum

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58

Which part of the digestive system produces vitamins B & K? 

The large intestines 

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59

Describe the epithelial layers of the large intestines and what are the distinguising features? 

•Distinguishing features:  

- haustra, tenia coli, epiploic appendages

- abundance of goblet cells, no villi

• Appendix- wormlike structure attached to the cecum, containing large amounts of lymphoid tissue.

Clinical:  Appendicitis, Diverticular disease 

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Where is this tissue found? 

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61

Where would you find each of these tissues? 

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Left:  Large Intestines, Right:  Stomach, Top:  Duodenum, Bottom:  Esophagus

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Where is the lesser omentum derived from?

The ventral Mesentery 

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Where is the greater omentum derived from? 

fromt the dorsal mesentery

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64

What are pancreatic digestive juices? 

Pancreatic digestive juices cells in clusters called acini

Pancreatic amylase, trypsin, elastase

 

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What is the primordial gut developed from? 

the splanchnic mesoderm

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66

What is the arterial supply of the foregut? 

 Celiac Trunk

 

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Identify.

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68

What structures are derived from the foregut in organogenesis? 

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69

What is the areterial supply for the midgut?

What structures were derived from the midgut during organogenesis?

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What is the areterial supply of the hindgut?

What structures are derived from the hindgut in organogenesis?

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71

Describe the developemnt of the liver. 

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72

Describe the development of the pancreas.

Pancreas develops from two endodermal buds (ventral & dorsal) from the distal end of the foregut
•Dorsal bud appears first [26th day]

•Ventral bud appears on the 28th day 

•Rotation & fusion by the 7th week

 

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73

Where does the endoderm meet the ectoderm? 

 

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