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BIO310H5 (101)
Lecture

Lecture #17.docx

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Department
Biology
Course
BIO310H5
Professor
Angela B Lange
Semester
Winter

Description
BIO310 Lecture notes 17filtration occurs based on pressure doesnt allow things bigger than 30 kiloDaltonsvely charged proteins are also not filteredto reabsorob water salts glucose amino acidsglucose are controlled by hormones gulcagon and insulin so the goal for the kidney is to focus on reabsorbing 100 only time they have to reabsorb less if there is a problem in the hormonal controlsurea nitrogenous wasteperitubular capillary very close the nephron for reabsorption tubular lumen has brush borders that increase surface area that improve reabsorptionmost of it occurs via active transport67 of Nais reabsorbed at the PCT even though not very permeable to sodium it has pumps to help 67 of the fluid will be reabsorbed at the PCT PCT is permable to waterbecause sodium in theintersitial fluid has been pumped into the interstitial fluid it has a grater concentration there that wil allow it to easily diffuse into the capillaryglucose goes through facilitated diffusion because its
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