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Alimentary System BDS1 > Alimentary Overview > Flashcards

Alimentary Overview Flashcards

1
Q

what is digestion

A

function to process food

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2
Q

what is absorption

A

transfer of nutrients

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3
Q

what makes up the alimentary system?

A

oral cavity, pharynx, oesophagus, stomach, small intestine, large intestine

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4
Q

what is the structure of the gastrointestinal system histology

A

mucosa, submucosa, muscularis propria, adventitia

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5
Q

what are the parts of the mucosa?

A

epithelium, lamina propria, muscularis mucosae

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6
Q

what are the parts of the muscularis propria

A

inner circular, outer longitudinal

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7
Q

what happens with barretts oesophagus

A

metaplasia, changes in the columnar epithelium, due to G.O.R.D risk of dysplasia and cancer

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8
Q

what are the functions of the GI system histology

A

protective, secretory, absorptive

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9
Q

what happens with coeliac disease

A

villous atrophy, hyperplastic crypts, increase in inflammatory cells

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10
Q

what are the 5 alimentary activities?

A

secretion, digestion, motility, absorption, excretion

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11
Q

what aids motility

A

mouth (chewing, swallowing), stomach (churning), intestine (peristalsis), mass movements/defecation

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12
Q

what are the general sensory functions of the mouth

A

nociception, mechanoreception, thermoreception

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13
Q

what is the special sensory function of the mouth

A

gustation

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14
Q

what are the motor functions of the mouth?

A

feeding (transport, breakdown, swallowing) and communication

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15
Q

what are the other functions of the mouth?

A

salivation (protect, lubricate, digestion) , lymphoid tissue (tonsils) and reflexes (swallowing, vomiting, gagging)

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16
Q

what is the anterior boundary of the mouth?

A

lips

17
Q

what is the lateral boundary of the mouth?

A

cheeks

18
Q

what is the inferior boundary of the mouth?

A

mylohyoid, tongue

19
Q

what is the superior boundary of the mouth?

A

palate

20
Q

what is the posterior boundary of the mouth?

A

fauces (pillars)

21
Q

what are the jaw muscles concerning the mouth?

A

temporalis and masseter

22
Q

what is the facial muscle concerning the mouth

A

orbicularis oris

23
Q

apart from the temporalis, masseter and orbicularis oris what is the final muscle concerning the mouth?

A

buccinator

24
Q

what are the major salivary glands and their secretions

A

parotid (serous), submandibular (seromucinous), sublingual (mucinous)

25
Q

what are the exocrine secretions in the mouth?

A

salt and water, mucous, amylase

26
Q

what clinical problems can occur with salivary glands

A

mumps, sialolithiasis, sialodenitis, tumours

Alimentary System BDS1 (7 decks)

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