Mouth and Esophogus Flashcards by Rachel Wheeler

Q

Phases of gastrointestinal control: cephalic

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Q

Phases of gastrointestinal control: gastric

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Q

Phases of gastrointestinal control: Intestinal phase

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Q

How is the hypothalamus involved in food intake

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Q

Feeding centre

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Q

Satiety Centre

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Q

Neuropeptide Y (NPY)

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Q

Ghrelin

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Q

What are the orexigenic factors

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Q

What are the anorexigenic factors

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Q

leptin

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Q

Leptin and fasting

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Q

Obese people and leptin

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Q

Increased plasma osmolarity: stimulates the hypothalamus centre

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Q

Decreased plasma volume: stimulates the hypothalamus centre

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Q

Decreased plasma volume: stimulates the hypothalamus centre from

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Q

Prevention of over-hydrating

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Q

parotid salivary glands

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Q

submandibular salivary glands

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Q

sublingual salviary glands

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Q

how much saliva will an adult produce a day

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Q

water as a component of saliva

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Q

Electrolytes as a component of saliva

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Q

Digestive enzymes as a component of saliva

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Glycoproteins as a component of saliva

Antimicrobial factors as a component of saliva

Lactoferrin as a component of saliva

Functions of saliva

Acinar cells

Ductal cells

Myoepithelial cells

Formation of saliva

how do ductal cells form saliva

basal levels of saliva production

hormonal regulation to salivary glands

parasympathetic system to salviary glands

Stimulation to parasympathetic system

Inhibition to the parasympathetic system

Sympathetic effects: saliva

sympathetic effects: protein secretion

Amylase digestion

starch components

maltose

malitrose

alpha-limit dextrin

lipase

xerostomia

Consequences of xerostomia

swallowing

swallowing steps

upper esophygeal sphincter

lower esophygeal sphincter

esophageal swallowing

heart burn

heart burn can occur due to