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anatomy > lab 3 - digestive > Flashcards

lab 3 - digestive Flashcards

1
Q

epithelium, lamina propria, muscularis mucosae

A

layers of the mucosa

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2
Q

Inner lining of digestive
tract

A

mucosa

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3
Q

Dense irregular connective tissue, Surrounds mucosa layer

A

submucosa

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4
Q

Support, protection
and nutrition to other
layers

A

functions of submucosa

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5
Q

Smooth muscle Arranged in 2 layers: Inner circular layer, Outer longitudinal layer Contains nerves: Myenteric plexus

A

Muscularis Externa

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6
Q

Responsible for motility and
peristalsis

A

functions of muscular externa

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7
Q

Outer covering; found in
areas with peritoneum

A

serosa

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8
Q

Outer covering of oral
cavity, pharynx, esophagus, and rectum

A

adventitia

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9
Q

mechanical digestion, chemical digestion, lubrication, sensory analysis

A

functions of the oral cavity

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10
Q

soft/hard palates, tongue

A

oral cavity

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11
Q

passageway for food/
liquids, and air, Connects oral cavity to esophagus

A

pharynx

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12
Q

assit in swallowing

A

function of pharynx

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13
Q

Hollow, muscular tube, Carries solids and liquids from the pharynx to the stomach

A

esophagus

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14
Q

Undigested food is
temporarily stored,Located in upper left abdominal cavity, Connects esophagus to small intestines

A

stomach

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15
Q

funds, cardia, body, pylorus

A

regions of the stomach

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16
Q

Superior, dome portion

A

fundus

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17
Q

Stomach-esophageal
junction

A

cardia

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18
Q

Between the fundus and
the “curve”

A

body

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19
Q

Narrow region before
small intestines

A

pylorus

20
Q

Ridges and folds in relaxed stomach; allows expansion

A

rugae

21
Q

Smooth muscle between stomach and duodenum, Guards exit of stomach

A

pyloric sphincter

22
Q

Extra layer of smooth muscle
in muscular external, Inner most layer

A

oblique layer

23
Q

forms the long, convex, lateral border of the stomach

A

greater curvature

24
Q

forms the shorter, concave, medial surface of the stomach

A

lesser curvature

25
Q

Begins at pyloric
sphincter; Curves
around head of
pancreas

A

duodenum

26
Q

Receives stomach
contents, pancreatic
juice and bile

A

duodenum

27
Q

Most digestion and
nutrient absorption
occur here

A

Jejunem

28
Q

Next 8 ft. (in upper
abdomen), Tall circular folds;
prominent villi, thick, muscular walls

A

jejunem

29
Q

No prominent border b/t
jejunum, Smaller circular folds and villi compared to jejunum

A

lieum

30
Q

Ends at ileocecal
junction with large
intestine, last 12ft in lower abdomen

A

ileum

31
Q

Has peyer’s patches, Clusters of lymphatic nodules, Some reabsorption, Vitamins, bile salts,
some nutrients

A

ileum functions

32
Q

Transverse folds of the
mucosa and submucosa layers

A

Circular folds (Plicae
circulares)

33
Q

Fingerlike projections of the
mucosa, contain blood vessels and
lymphatics, Nutrient absorption

A

villi

34
Q

Extensions of the epithelial cell
surface, absorption

A

microvilli

35
Q

Lymphatic capillaries in villi, Absorb fat

A

lacteals

36
Q

First section of LI, Receives digested contents of small intestines, Contains Vermiform
Appendix

A

cecum

37
Q

Absence of villi, Presence of goblet cells, Deep intestinal crypts/glands

A

colon

38
Q

Last portion of the digestive tract, Storage of feces, Terminates at the anal canal

A

rectum

39
Q

Exit point for feces, wastes and
undigested remains

A

anal cavity

40
Q

Regulates food entering
large intestines, Prevents feces from entering small intestines

A

ileocecal valve

41
Q

Control defecation
through anus

A

internal/ external sphincter

42
Q

attaches stomach to liver

A

lesser omentum

43
Q

covers small intestines

A

greater omentum

44
Q

holds colon

A

mesocolon

45
Q

holds small intestines to posterior wall

A

mesentery proper

anatomy (13 decks)

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