Mouth and Esophogus Flashcards by Rachel Wheeler

Q

Phases of gastrointestinal control: cephalic

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Phases of gastrointestinal control: gastric

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Phases of gastrointestinal control: Intestinal phase

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Q

How is the hypothalamus involved in food intake

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Feeding centre

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Satiety Centre

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Neuropeptide Y (NPY)

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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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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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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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Digestive enzymes as a component of saliva

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Glycoproteins as a component of saliva

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Antimicrobial factors as a component of saliva

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Lactoferrin as a component of saliva

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Functions of saliva

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Q

Acinar cells

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Ductal cells

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Myoepithelial cells

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Formation of saliva

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how do ductal cells form saliva

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basal levels of saliva production

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hormonal regulation to salivary glands

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parasympathetic system to salviary glands

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Stimulation to parasympathetic system

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Inhibition to the parasympathetic system

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Sympathetic effects: saliva

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sympathetic effects: protein secretion

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Amylase digestion

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starch components

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maltose

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malitrose

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alpha-limit dextrin

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lipase

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xerostomia

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Consequences of xerostomia

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swallowing

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swallowing steps

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upper esophygeal sphincter

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lower esophygeal sphincter

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esophageal swallowing

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heart burn

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Q

heart burn can occur due to

A