6.10 - Absorption Flashcards by Sam McGee

Q

What is the ileum?

A

Final section of the small intestine

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Q

What is the function of the ileum?

A

Absorb digested food molecules

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Q

What are adaptations of the ileum for absorption?

A

Villi

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Q

What are amino acids formed from?

A

Breakdown of proteins

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Q

What are monosaccharides formed from?

A

Breakdown of carbohydrates

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Q

How are amino acids and monosaccharides absorbed?

A

Co-transport

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Q

How does co-transport work in the ileum?

A

Sodium ions actively transported out

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Q

What are triglycerides broken down into?

A

Monoglycerides and fatty acids

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Q

What do monoglycerides and fatty acids form with bile salts?

A

Micelles

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Q

How are triglycerides absorbed?

A

Micelles release fatty acids and monoglycerides

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Q

What are chylomicrons?

A

Triglycerides packaged for transport

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Q

What are lacteals?

A

Lymphatic vessels in the villi

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