Structure and Function Flashcards by Rachel Wheeler

Q

Digestion

A

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Q

Excretion

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Q

Absorption

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Q

Chyme

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Q

Host Defences

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Q

parts of the digestive system

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Q

Accessory Organs

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Q

where is the GIT composition similiar

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Q

what are villi

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Q

what is the lumen

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Q

Why does the lumen have large surface area

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Q

What is the epithelium layer of the mucosa

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Q

apical surface of the epithelial layer of the mucosa

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Q

lateral surface of the epithelial layer of the mucosa

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Q

basal surface of the epithelial layer of the mucosa

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Q

where are there transport proteins in the epithelial layer of the mucosa

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Q

where and why are tight junctions in the epithelial layer of the mucosa

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Q

transcellular pathway

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Q

paracellular pathway

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Q

layers of the mucosa: lamina propria

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Q

layers of the mucosa: muscularis mucosa

A

Q

Epithelial layer of the mucosa: stem cells

A

Q

what are the crypts in the epithelium

A

Q

How is the epithelial layer of the mucosa replaced

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Q

Submucosa

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Q

Muscularis Externa

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Q

Muscularis Externa myenteric nerve plexus

A

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Muscularis externa logitudinal muscle

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Q

Gastrointestinal Blood supply

A

Q

How does blood perfuse to the livefr

A

Q

what blood doese the liver recieve

A

Q

Regulation of GI Processes

A

Q

Gastrointestinal reflexes are initiated by

A

Q

GI process stimulation promotion receptors

A

Q

Intrinsic Regulation of GI Processes

A

Q

what neurons are controled by intrinsic regulation in the GI system

A

Q

Intrinsic network of neurons

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Q

How does the CNS effect the intrinsic regulation of the GI

A

Q

Extrinsic Neuronal Regulation of GI processes

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Q

Sympathetic vs parasympathetic effects

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Long neural regulation through reflexes

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Endocrine

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Neurocrine

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Paracrine

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Autocrine

A

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Hormonal control of GI activity

A

Q

general facts about hormones

A

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CCK

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Q

Peristalsis

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Q

Small intstine motility: segmentation

A

Q

Basic electrical rhythm

A

Q

What controls the force of contraction and frequency of contraction

A