Digestive System 1 Flashcards

1
Q

Process in which compiles foods must be taken into the GI tract

A

Ingestion

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2
Q

Process in which food is broken down into simpler molecules

A

Digestion

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3
Q

Movement of the GI tract to move food down

A

Motility

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4
Q

Digestive enzymes and other products introduced into the lumen of GI tract

A

Secretion

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5
Q

Movement through the GI mucosa into the internal environment

A

Absorption

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6
Q

Process in which the body rids waste

A

Elimination of feces

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7
Q

Hollow space within the GI tract

A

Lumen

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8
Q

Walls of the GI tract

A

1) mucosa (mucous membrane)
2) sub mucosa
3) muscular is
4) serosa

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9
Q

Difference between mucosa in esophagus and rest of GI tract

A

Mucosa in esophagus is made of tough, stratified sbrasion resistant epithelium and everywhere else is simple columnar

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10
Q

Connective tissue layer that lies just below the mucosa and contains blood vessels and nerves

A

Submucosa

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11
Q

Two layers of muscle tissue below the submucosa

A

Muscular is

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12
Q

Rhythmic wavelike contraction of the gut wall causing alternating contraction and relaxation

A

Peristalis

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13
Q

Alternating contraction of the circular later if the muscularis wishing a single region

A

Segmentation

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14
Q

Outermost membrane of the digestive tube

A

Serosa

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15
Q

Serosa also known as

A

Visceral peritoneum

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16
Q

Loops of the digestive tract are anchored to the abdominal cavity by a large double folded peritoneal tissue called

A

Mesentery

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17
Q

Phony structure in anterior portion of the mouth firemen by palatine and maxillary bones

A

Hard palate

18
Q

Located above the posterior or rear position of the mouth

A

Soft palate

19
Q

Hangs down from the center of the soft palate

20
Q

A thin membrane that attaches the tongue to the floor of the mouth

21
Q

Three main parts of a tooth

A

Crown, neck, and root

22
Q

Portion of tooth that is exposed and visible in the mouth

23
Q

Three tissues that cover teeth

A

Enamel, dentin, and cementum

24
Q

Narrow portion of tooth that connects crown and root

25
Mild, localized and transitory inflammation of the gums
Gingivitis
26
Part of the tooth that fits into the bony socket
Root
27
Lines each bony socket of the tooth and anchors tooth to bone
Periodontal membrane
28
Tooth decay
Dental caries
29
Dental caries results in
Cavity
30
1 cause of tooth loss
Periodontitis
31
Set of 20 baby teeth
Deciduous
32
How many permanent teeth are there
32
33
Malalignment if the teeth
Malocclusion
34
Effective chewing
Mastication
35
Three pairs of salivary glands
Parities, submabdibulars, sublinguals
36
Salivary glands that are thin, watery and free of mucus
Serous
37
Serous type saliva has
Salivary amylase
38
Largest saluvary gland that lie just below and in front of each ear at the angle of the jaw
Parotid gland
39
Glands located below the mandibulat angle and about the size of a walnut. Produce both serous and mucus cells
Submandibular gland
40
Produce only mucous tour saliva and lie under the tongue
Sublingual glands
41
Swallowing of food
Deglutition
42
Principle structure of the digestive system
Alimentary canal or gastrointestinal tract